Best year time to visit Roscommon

General weather information about Roscommon

Average annual temperature is 10.9 °C

Absolute maximum temperature: 25.8 °C

Absolute minimum temperature: -1.9 °C

Number of sunny days: 74 days

Number of rainy days: 290 days

Number of snow days: 1 day

Look at detailed online map of Roscommon

* Weather data for Roscommon Ireland is based on climate observations for 2026 year

Roscommon air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	12.2	14.1	14.7	18.5	22.1	25.2	21.5	22.8	25.8	20.9	13.1	12.6
Average daytime temperature (°C)	8.0	9.7	9.7	12.8	16.7	20.8	17.5	18.5	18.3	14.0	9.7	8.9
Average temperature (°C)	5.9	7.6	6.9	9.3	12.8	16.9	14.7	15.4	14.8	11.2	7.5	7.2
Average night temperature (°C)	4.0	5.2	4.5	6.2	9.1	13.1	12.0	12.5	11.8	8.9	5.3	5.3
Absolute minimum temperature (°C)	-1.8	-0.2	-1.1	2.0	5.9	10.2	9.8	10.3	6.0	2.9	-0.4	-1.9

Roscommon 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	16.0	15.0	13.0	11.0	9.0	7.0
Daylight mean duration (h)	8.1	9.8	11.9	14.0	15.9	17.0	16.5	14.8	12.7	10.6	8.6	7.6
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)	3.3	2.9	4.5	6.8	8.9	10.9	8.4	8.7	6.9	4.3	4.6	2.3
Precipitation (mm)	86	26	160	108	59	114	177	140	157	157	84	130
Sunny days	8	12	1	3	13	11	0	0	5	7	10	4
Rainy days	23	16	29	27	18	19	31	31	25	24	20	27
Snow days	0	0	1	0	0	0	0	0	0	0	0	0

Roscommon - weather forecast by months

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

Best time to visit Roscommon:

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

May — 8.9(h)
June — 10.9(h)
July — 8.4(h)
August — 8.7(h)

Months with the longest average daylight duration in Roscommon:

May — 15.9(h)
June — 17.0(h)
July — 16.5(h)

The largest precipitation sum in Roscommon is at

March — 160(mm)

July — 177(mm)

September — 157(mm)

October — 157(mm)

Weather forecast in the closest to Roscommon admin centers