Patna weather in July

In July, Patna has daytime highs averaging 32 °C, nights around 26 °C, with 26 wet days. Figures are 1991–2020 climate normals.

  1. Jan 16°
  2. Feb 20°
  3. Mar 25°
  4. Apr 30°
  5. May 32°
  6. Jun 31°
  7. Jul 29°
  8. Aug 29°
  9. Sep 28°
  10. Oct 26°
  11. Nov 22°
  12. Dec 18°

Daily temperatures through July

24° 30° 35° 18152229
Daily high Daily low Day of month on the horizontal axis. Highs peak at 33.0 °C and lows bottom out at 26.0 °C.

How July develops

Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.

Days Avg high Avg low Chance of rain
1–10 July 32.6 °C 26.5 °C 84 %
11–20 July 31.9 °C 26.4 °C 85 %
21–31 July 31.8 °C 26.3 °C 80 %
0% 50% 100% 1 5 10 15 20 25 30
Chance of a wet day (over 1 mm) by date in July. Wettest date over the 30 years: July 11, at 93 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical July Share of the month
Days above 25 °C 31 of 31 100 %
Days above 30 °C 27 of 31 88 %
Days below 0 °C 0 of 31 0 %
Days with more than 1 mm rain 26 of 31 83 %

Conditions in July

MeasureAverage
Mean temperature 29 °C
Record high (1991–2020) 40 °C
Record low (1991–2020) 24 °C
Relative humidity 82 %
Wind speed 16 km/h
Cloud cover 89 %

July compared with the months around it

Month Avg high Rainfall Cloud
May 37.9 °C 34 mm 23 %
June 35.8 °C 182 mm 60 %
July 32.1 °C 314 mm 89 %
August 31.7 °C 265 mm 88 %
September 31.0 °C 200 mm 68 %

See all twelve months for Patna

QuestionsJuly in Patna, answered

How warm is Patna in July?

Daily highs average 32 °C and nights fall to about 26 °C, a spread of 5.7 °C between afternoon and dawn. That makes July the 4th warmest month of the year here.

Does it rain much in Patna in July?

July averages 314 mm of rain, spread over about 26 of the 31 days — 83 % of the month. Cloud cover averages 89 % of the sky.

How long are the days in July?

Patna averages 14 hours between sunrise and sunset in July. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.