Weather and climate in Selby, England, United Kingdom: monthly averages and best time for stargazing

Best for stargazingDec, Jan, NovMost clear, dark hours

Warmest monthJulyAverage high 20°C

Coolest monthFebruaryAverage low 1°C

Wettest monthAugust83 mm on average

What the weather is like in Selby

The warmest month in Selby is July, with average highs of 20°C. The coolest is February, when nights average 1°C. About 762 mm of rain and snow falls in a typical year, most in August and least in April.

Skies are clearest in May (74% average cloud cover) and cloudiest in January (79%). Combining cloud with the length of truly dark nights, December, January, November offer the most clear, dark hours for stargazing.

Clear, dark hours per night

2.5 Jan

2.2 Feb

1.9 Mar

1.3 Apr

0.0 May

0.0 Jun

0.0 Jul

0.8 Aug

1.8 Sep

2.2 Oct

2.5 Nov

2.8 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	6°C	1°C	60 mm	79%	94%	14 km/h	11.7 h
February	7°C	1°C	50 mm	79%	91%	14 km/h	10.2 h
March	9°C	1°C	50 mm	76%	86%	13 km/h	8.2 h
April	13°C	3°C	49 mm	75%	83%	11 km/h	5.2 h
May	16°C	6°C	56 mm	74%	80%	11 km/h	0.0 h
June	19°C	10°C	75 mm	78%	81%	10 km/h	0.0 h
July	20°C	11°C	74 mm	77%	81%	10 km/h	0.0 h
August	20°C	11°C	83 mm	78%	83%	11 km/h	3.9 h
September	17°C	9°C	57 mm	75%	85%	11 km/h	7.2 h
October	13°C	6°C	74 mm	77%	90%	12 km/h	9.5 h
November	9°C	3°C	69 mm	78%	93%	12 km/h	11.3 h
December	6°C	2°C	65 mm	77%	95%	13 km/h	12.1 h

Climate averages: NASA POWER, 2001–2025, for the grid area around 54.00, -1.25 (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. Aurora outlook for Selby · Sources and methods.