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Vihari weather by month: averages, rainfall & climate trends

Seasons run to extremes in Vihari: monthly means span 22.4°C between the coldest month and the warmest. Rainfall is on the low side overall. Vihari weather by month: average temperatures, rainfall, records and how the climate has changed since 1940.

Today vs average

−3.2°Chigh well below average

33° / 21°Today
36° / 21°Average
see today in detail →

How it's changed

−1.6°Caverage temperature, 2016–2025 vs 1940–1949average temperature vs 1940–49230days above 30°C a year now (2016–2025) · 259 in the 1940sdays above 30°C · 259 in the 1940s−1.6°C vs the 1940s · see how it's changed →
Weather by montha typical year, averaged over the full recordJanuary, rain 9 mmhigh 21°low 7°February, rain 12 mmhigh 24°low 10°March, rain 13 mmhigh 30°low 16°April, rain 10 mmhigh 36°low 21°May, rain 12 mmhigh 41°low 26°June, rain 21 mmhigh 42°low 30°July, rain 70 mmhigh 39°low 30°August, rain 62 mmhigh 38°low 29°September, rain 30 mmhigh 37°low 27°October, rain 5 mmhigh 35°low 20°November, rain 4 mmhigh 29°low 14°December, rain 7 mmhigh 23°low 8°wettest month July, 70 mm · 255 mm a yearsee month by month →

Right now

What it's doing today vs the historical average for this date.
Partly cloudy

Right now

26.1°

29°feels like
64%humidity
19°dew point
4 km/hfrom NE
UV index0.0
sunrise06:10sunset17:43day length11h 33m
TodayClear33°21°
TuePartly cloudy34°23°
WedShowers29°22°
ThuPartly cloudy31°22°
FriMostly clear32°21°
SatClear34°19°
SunClear34°20°

On this date: October 12

Today (forecast)
33° / 21°
Average for October 12
36° / 21°

High well below average · −3.2°C

  • Record high: 41.6° · 1951
  • Record low: 16.4° · 1978
  • One year ago: 34° / 21°

Every October 12 in history, coldest to hottest

▲ Daily highs▼ Daily lows

Dots show daily highs (top) and lows (bottom) for each October 12 on record (n = 87). Outlined dots are today's forecast.

Area we sample

Each city's history comes from one ERA5 grid cell, about 28 km across, shown by the dashed box. Near mountains or coasts, conditions can vary across the cell.

Location & data

Historical weather for Vihari is sampled from the ECMWF ERA5 reanalysis at 30.04°N, 72.36°E, with daily records since 1940.

Coordinates
30.04°N, 72.36°E
Time zone
Asia/Karachi
Period
1940–2026
Data source
ERA5 (ECMWF)

Last 30 days

14 of the last 31 days were warmer than the historical average for that date. Average difference: −0.4°C.

Each bar is one day, from morning low to afternoon high. Warm-colored bars are days whose mean ran above average; cool bars ran below. The dot inside the bar is the daily mean. The shaded band is the typical 10–90% range expected for that date. Average = the day's mean temperature averaged across every year of record (1940–2026) for that calendar date.

This date over the years

One dot per year, showing the mean temperature on this calendar date. Dots are warmer or cooler than the long-term average (dashed line); the shaded band is the typical 10–90% range, and the highlighted dot is today's forecast. Based on ERA5 reanalysis: modelled estimates, not station readings.

Weather by month

Average temperatures and rainfall for each month: a typical year, from the full record.

Climate overview

The year peaks in June, at around 41.8°C by mid-afternoon, with nights around 29.9°C. On about 200 nights a year, the temperature never drops below 20°C. In January, the coolest month, afternoons reach about 20.5°C and nights dip to 7.0°C.

Vihari picks up roughly 255 mm a year, with a peak of 70 mm in July and as little as 4 mm in November.

Over the full record (since 1940), the annual mean temperature in Vihari has fallen by 1.6°C between its first decade and its last. You can follow the shift year by year in the charts below.

Climate graph (climograph)

June is the warmest month, January the coolest: a yearly swing of 22°C. Wettest month: July (~70 mm). Whole year averages ~255 mm of rain.

Bars = average monthly rainfall (right axis). Lines = average daily high and low (left axis). Average = each month's value averaged across every year of record (1940–2026).

Rainy days by month

About 30 rainy days a year: most in July (~8), fewest in November (~1).

Bars = average number of days with ≥ 2 mm per month. Hover for the monthly rainfall total.

Monthly wind

Average daily peak wind at 10 m, by month.

Monthly solar energy

Average daily incoming solar energy in megajoules per square metre: the record's own proxy for how sunny the month is.

Vihari month by month: what to expect

Typical conditions for each month, averaged across the full record (since 1940). Daylight is the time from sunrise to sunset. Record high/low are the most extreme values in the ERA5 dataset (modelled since 1940), so they can differ from official weather-station readings.

MonthAvg highAvg lowRainRainy daysDaylightRecord highRecord low
January20.5°7.0°9 mm110.3 h29.3° (1965)−1.4° (1967)
February23.9°9.9°12 mm211.0 h36.9° (1953)0.2° (1974)
March29.6°15.5°13 mm211.8 h41.9° (1942)4.1° (1945)
April36.4°21.4°10 mm112.7 h47.7° (1958)11.2° (1967)
May41.1°26.4°12 mm113.5 h50.9° (1956)15.5° (1989)
June41.8°29.9°21 mm313.9 h49.6° (1942)20.5° (2023)
July39.0°29.9°70 mm813.8 h48.7° (1947)23.4° (1989)
August37.9°29.1°62 mm813.1 h45.7° (1980)24.1° (1953)
September37.3°26.6°30 mm312.2 h44.8° (1965)17.4° (1972)
October34.7°20.4°5 mm111.3 h42.8° (1951)12.9° (1972)
November28.6°13.6°4 mm110.5 h37.9° (1965)5.9° (1962)
December22.8°8.4°7 mm110.1 h31.1° (1944)−0.3° (1945)

How it's changed

Year-by-year signals from 1940 to today.

Climate stripes

Annual mean shifted from 1940–1949 to 2016–2025 by −1.6°C.

Each vertical stripe is one year. Color encodes how much that year's annual mean differed from the long-term average. Average = each year's annual mean compared to the average of all years (1940–2026). cooler ← → warmer

Annual mean temperature

Long-term trend: −0.18°C per decade.

One point per year, showing the temperature averaged across the whole year. The dashed line is the least-squares long-term trend. Based on ERA5 reanalysis: modelled estimates, not station readings.

Seasonal warming

Dec–Feb is warming fastest: −0.13°C per decade.

Each faint line is one three-month period's average per year; the bold dashed line is its long-term trend. Different parts of the year often warm at different rates. Based on ERA5 reanalysis: modelled estimates, not station readings.

Hot days vs frost days

Days ≥ 30°C per year: 258.6 early in the record → 230.1 recently. Frost days: 0 → 0.

Thin lines are raw yearly counts; thick lines are the smoothed trend that removes year-to-year noise. The hot-day threshold is auto-picked per city so the line actually moves. Average = a centered 5-year rolling average to smooth weather noise.

Yearly hot & cold extremes

All-time high in 1956, all-time low in 1967: 50.9°C / −1.4°C.

One point per year: the single hottest and coldest day recorded that year.

Annual rainfall

~255 mm/year on average. Last decade: −2% vs that average. Long-term trend: +4 mm per decade.

One bar per year of total rainfall. Dashed line is the long-term average. Average = the average annual rainfall across every year of record (1940–2026).

Day-by-day grid

Each tiny square is one calendar day across the full record, about 30,000 days per city. Use the mode switch above the chart: Anomaly colors each day by how far it ran from the historical average for that date (red = warmer, blue = cooler), Daily mean temp shows the absolute mean temperature for the day (useful to see seasons and heatwaves), and Precipitation shows daily rainfall (useful to spot wet/dry seasons and droughts). Average = the long-term average for that calendar date (1940–2026).

Frequently asked questions about Vihari

Which is the warmest month in Vihari?
On long-term average, the warmest month in Vihari is June (mean daily temperature of about 35.8°C) and the coolest is January (about 13.4°C).
How does today's temperature in Vihari compare to the historical average?
On October 12, 2026, Vihari is forecast to reach a high of 32.5°C and a low of 21.0°C. The long-term average for this date (the full record since 1940) is a high of 35.7°C and a low of 21.4°C, so today's high is 3.2°C cooler than that average.
How much has Vihari warmed since 1940?
Comparing the first decade of the record (1940–1949) with the most recent (2016–2025), the annual mean temperature in Vihari is about 1.6°C cooler.
How much does it rain in Vihari?
Vihari receives about 255 mm of precipitation per year on long-term average, with July typically the wettest month.
What is the average temperature in Vihari?
Over the full record (since 1940), the annual mean temperature in Vihari is about 26.1°C. The warmest month is June and the coolest is January.
What are the average temperatures in Vihari by month?
Average daily highs and lows for each month in Vihari (°C, full record since 1940): January 21°/7°, February 24°/10°, March 30°/16°, April 36°/21°, May 41°/26°, June 42°/30°, July 39°/30°, August 38°/29°, September 37°/27°, October 35°/20°, November 29°/14°, December 23°/8°.
What is the weather like in Vihari in summer?
In summer, June through August, Vihari is really hot. It cools from 42°C by day and 30°C at night in June to 38°C and 29°C in August. Rain rises from 21 mm on 3 days in June to 62 mm on 8 days in August. No season is wetter.
What is the weather like in Vihari in winter?
In winter, December through February, Vihari is dry and pleasantly warm. Expect 21–24°C by day and 7–10°C at night, with January the coldest month. Almost no rain.
What is the weather like in Vihari in spring?
In spring, March through May, Vihari is dry and really hot. March starts at 30°C by day and 16°C at night; by May it is 41°C and 26°C. Rain is steady at around 12 mm a month, spread over roughly 1 day.
What is the weather like in Vihari in autumn?
In autumn, September through November, Vihari is dry and hot. September is still 37°C by day and 27°C at night; by November it is down to 29°C and 14°C. Rain falls off from 30 mm on 3 days in September to 4 mm on 1 day in November.
How many days a year does it rain in Vihari?
On long-term average, Vihari has about 30 days a year with at least 2 mm of rain or snow. The annual total is roughly 255 mm.

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