Climate averages 1991–2020
Karachi weather
in May.
A hot, very dry month: the warmest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Karachi: daytime highs average 33.9°C and nights cool to about 26.4°C. By daytime temperature it is the warmest month of the year.
Rain is very rare: less than 1 mm falls in a typical May (the driest month of the year). Daylight, from sunrise to sunset, lasts about 13 h 20 min on an average May day.
The nearest other city in this atlas is Hub (22 km away). In May its highs average 33.6°C, about as warm as Karachi, with almost no rain (under 1 mm).
Among the 166 cities listed in Pakistan, Karachi ranks 155th of 166 for the warmest May highs and 2nd of 166 for the driest May (rainfall, lowest first). The mean May high of those 166 cities is 39.0°C; Karachi is 5.0°C cooler than that mean.
From May to June, average highs fall by 0.3°C to 33.6°C, and monthly rainfall rises from under 1 mm to 5.8 mm.
The annual picture
May in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Karachi climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 24.4°C14.6°C | 14.6°C | 4.3 | 1.0 | 10.811 h |
| February | 26.7°C16.5°C | 16.5°C | 4.3 | 0.7 | 11.311 h |
| March | 30.3°C20.0°C | 20.0°C | 2.2 | 0.5 | 12.012 h |
| April | 33.1°C23.7°C | 23.7°C | 0.6 | 0.1 | 12.713 h |
| May, selected | 33.9°C26.4°C | 26.4°C | 0.3 | 0.1 | 13.313 h |
| June | 33.6°C27.9°C | 27.9°C | 5.8 | 0.8 | 13.714 h |
| July | 31.8°C27.5°C | 27.5°C | 42 | 3.6 | 13.514 h |
| August | 30.6°C26.4°C | 26.4°C | 42 | 3.1 | 13.013 h |
| September | 31.2°C25.7°C | 25.7°C | 11 | 1.5 | 12.312 h |
| October | 33.2°C23.8°C | 23.8°C | 2.1 | 0.5 | 11.612 h |
| November | 30.4°C20.1°C | 20.1°C | 3.0 | 0.2 | 11.011 h |
| December | 26.3°C16.0°C | 16.0°C | 2.5 | 0.4 | 10.611 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
May in nearby cities
- Hub in MayPakistan · 22 kmHigh 33.6°C · Low 26.2°C · 0.5 mm rain
- Kotri in MayPakistan · 142 kmHigh 40.9°C · Low 26.0°C · 7.0 mm rain
- Hyderabad, Pakistan in MayPakistan · 150 kmHigh 41.0°C · Low 26.1°C · 8.8 mm rain
- Tando Muhammad Khan in MayPakistan · 157 kmHigh 40.1°C · Low 25.8°C · 7.4 mm rain
- Tando Jam in MayPakistan · 165 kmHigh 40.9°C · Low 26.0°C · 8.8 mm rain
- Manjhand in MayPakistan · 170 kmHigh 42.4°C · Low 26.8°C · 5.5 mm rain
- Hala in MayPakistan · 177 kmHigh 42.1°C · Low 26.6°C · 8.6 mm rain
- Arif Wala in MayPakistan · 178 kmHigh 41.4°C · Low 24.9°C · 6.9 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Karachi) is explained once on the Karachi year overview and on the Sources, method and limits page.