Weather and climate in Delhi, India: monthly averages and best time for stargazing

Best for stargazingNov, Oct, DecMost clear, dark hours

Warmest monthMayAverage high 43°C

Coolest monthJanuaryAverage low 6°C

Wettest monthJuly217 mm on average

What the weather is like in Delhi

The warmest month in Delhi is May, with average highs of 43°C. The coolest is January, when nights average 6°C. About 751 mm of rain and snow falls in a typical year, most in July and least in November.

Skies are clearest in October (15% average cloud cover) and cloudiest in July (75%). Combining cloud with the length of truly dark nights, November, October, December offer the most clear, dark hours for stargazing.

Clear, dark hours per night

7.0 Jan

7.0 Feb

6.5 Mar

5.3 Apr

4.3 May

3.1 Jun

1.8 Jul

2.6 Aug

5.7 Sep

8.5 Oct

8.7 Nov

8.1 Dec

Hours of full astronomical darkness in mid-month, multiplied by the average share of clear sky. A rough guide to how much good observing time a typical night offers.

Monthly averages

Month	High	Low	Precipitation	Cloud cover	Humidity	Wind	Dark hours
January	21°C	6°C	16 mm	35%	44%	6 km/h	10.7 h
February	26°C	9°C	22 mm	31%	41%	7 km/h	10.1 h
March	32°C	15°C	18 mm	31%	33%	7 km/h	9.4 h
April	39°C	22°C	15 mm	37%	24%	8 km/h	8.4 h
May	43°C	27°C	33 mm	43%	23%	9 km/h	7.5 h
June	42°C	30°C	80 mm	55%	36%	9 km/h	6.9 h
July	37°C	28°C	217 mm	75%	63%	8 km/h	7.2 h
August	34°C	26°C	203 mm	68%	75%	6 km/h	8.0 h
September	33°C	23°C	121 mm	37%	69%	6 km/h	9.0 h
October	32°C	18°C	13 mm	15%	51%	5 km/h	9.9 h
November	28°C	13°C	4 mm	18%	43%	6 km/h	10.6 h
December	23°C	8°C	8 mm	26%	42%	6 km/h	10.9 h

Climate averages: NASA POWER, 2001–2025, for the grid area around 28.50, 77.50 (about 50 km across). High and low temperatures are estimated from the monthly mean and the average daily range. Hills, coasts and cities can differ from the area average. Sources and methods.