When is the best time to visit Belfast United States, weather forecast

General weather information about Belfast

Average annual temperature is 9 °C

Absolute maximum temperature: 30.6 °C

Absolute minimum temperature: -28.2 °C

Number of sunny days: 155

Number of rainy days: 181

Number of snow days: 29

Average annual precipitation: 1552 mm

* Weather data for Belfast United States is based on climate observations for 2023 year

	Jan	Feb	Mar	Apr	Maggio	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	9.9	11.5	11.1	22.2	29.6	27.9	29.4	26.8	30.6	26.7	14.4	13
Average daytime temperature (°C)	3.3	1.4	5.3	11.3	18	19.2	25.5	23.1	22.2	16.5	6.8	4.6
Average temperature (°C)	-0.5	-3.6	1.2	6.9	12.7	15.3	21.3	19.1	17.6	12.5	2.7	0.9
Average night temperature (°C)	-3.9	-8.2	-2.4	3.1	8	12.3	18	15.6	14	9.1	-0.7	-2.2
Absolute minimum temperature (°C)	-10.2	-28.2	-9.2	-4	2.2	6.5	14.2	11.4	8.2	0.6	-6.6	-11

	Jan	Feb	Mar	Apr	Maggio	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	9.8	11.1	12.7	14.2	15.3	15.5	15.5	14.7	13.3	11.7	10.2	9.1
Daylight mean duration (h)	9.3	10.5	11.9	13.5	14.8	15.5	15.2	14	12.5	11	9.6	8.9
Daylight minimum duration (h)	8.9	9.8	11.2	12.8	14.2	15.3	14.7	13.3	11.8	10.3	9.1	8.8
Sunshine mean duration (h)	5.3	7.5	7.8	9.3	11.4	8	9.1	10	9.5	6.9	7.3	6.2
Precipitation (mm)	185	38	81	100	133	171	168	131	115	202	60	167
Sunny days	9	13	11	13	20	5	6	8	17	13	22	18
Rainy days	12	6	12	17	11	25	25	23	13	18	7	12
Snow days	10	9	8								1	1

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

Months with the longest average daylight duration in Belfast:

The largest precipitation sum in Belfast is at