Best year time to visit Castlereagh

General weather information about Castlereagh

Average annual temperature is 10.8 °C

Absolute maximum temperature: 25.6 °C

Absolute minimum temperature: -3.3 °C

Number of sunny days: 76 days

Number of rainy days: 286 days

Number of snow days: 3 days

Look at detailed online map of Castlereagh

* Weather data for Castlereagh United Kingdom is based on climate observations for 2026 year

Castlereagh air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	12.8	12.5	15.0	16.2	20.0	25.6	21.0	22.2	24.9	21.1	13.9	12.8
Average daytime temperature (°C)	8.1	9.8	9.7	11.9	16.0	20.2	17.7	18.6	18.1	14.3	9.9	9.2
Average temperature (°C)	5.9	7.7	6.7	8.7	12.2	16.4	14.7	15.4	14.8	11.8	7.4	7.3
Average night temperature (°C)	3.8	5.1	3.8	5.4	8.2	12.4	11.9	12.3	11.3	9.4	4.5	5.4
Absolute minimum temperature (°C)	-2.0	-0.4	-3.3	-0.2	2.9	7.3	8.8	8.3	4.8	3.0	-0.2	-3.1

Castlereagh monthly weather indicators

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	8.0	10.0	12.0	15.0	16.0	17.0	17.0	15.0	13.0	11.0	9.0	7.0
Daylight mean duration (h)	8.0	9.7	11.9	14.1	16.1	17.2	16.6	14.9	12.7	10.5	8.5	7.4
Daylight minimum duration (h)	7.0	8.0	10.0	13.0	15.0	16.0	15.0	13.0	11.0	9.0	7.0	7.0
Sunshine mean duration (h)	4.0	4.1	5.3	8.3	10.0	12.3	9.6	10.2	7.1	4.7	4.6	2.1
Precipitation (mm)	58	22	117	109	75	94	161	114	135	129	73	177
Sunny days	8	10	2	5	12	13	1	0	6	5	10	4
Rainy days	22	18	27	25	19	17	30	31	24	26	20	27
Snow days	1	0	2	0	0	0	0	0	0	0	0	0

Castlereagh - weather forecast by months

Castlereagh weather in january Castlereagh weather in february Castlereagh weather in march Castlereagh weather in april Castlereagh weather in may Castlereagh weather in june Castlereagh weather in july Castlereagh weather in august Castlereagh weather in september Castlereagh weather in october Castlereagh weather in november Castlereagh weather in december

Best time to visit Castlereagh:

The best time to visit Castlereagh during the most sunny months:

May — 10.0(h)
June — 12.3(h)
July — 9.6(h)
August — 10.2(h)

Months with the longest average daylight duration in Castlereagh:

May — 16.1(h)
June — 17.2(h)
July — 16.6(h)

The largest precipitation sum in Castlereagh is at

July — 161(mm)

September — 135(mm)

December — 177(mm)

Weather forecast in the closest to Castlereagh admin centers