Best year time to visit Grong

General weather information about Grong

Average annual temperature is 4.5 °C

Absolute maximum temperature: 28.0 °C

Absolute minimum temperature: -19.6 °C

Number of sunny days: 107 days

Number of rainy days: 195 days

Number of snow days: 63 days

Look at detailed online map of Grong

* Weather data for Grong Norway is based on climate observations for 2026 year

Grong air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	8.0	7.0	5.2	13.8	21.7	28.0	27.1	26.2	24.4	12.4	4.3	8.3
Average daytime temperature (°C)	0.8	1.9	-0.6	7.3	12.0	18.4	19.1	18.7	14.9	5.0	-1.9	-3.9
Average temperature (°C)	-1.1	-0.6	-4.2	3.6	8.1	14.0	15.5	15.0	11.6	2.6	-4.2	-6.5
Average night temperature (°C)	-3.4	-3.8	-8.0	-0.3	3.6	9.0	11.6	11.5	8.4	0.6	-6.8	-9.3
Absolute minimum temperature (°C)	-12.9	-15.5	-19.6	-9.9	-2.3	2.0	8.1	7.9	4.0	-6.9	-17.6	-17.1

Grong monthly weather indicators

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	6.0	9.0	13.0	16.0	20.0	21.0	21.0	18.0	14.0	11.0	7.0	4.0
Daylight mean duration (h)	5.4	8.5	11.8	15.2	18.6	21.1	19.8	16.4	13.1	9.7	6.4	4.2
Daylight minimum duration (h)	4.0	6.0	10.0	13.0	16.0	20.0	18.0	14.0	11.0	8.0	4.0	3.0
Sunshine mean duration (h)	0.5	1.9	5.9	8.4	8.6	10.6	10.3	8.9	5.7	3.7	1.9	0.5
Precipitation (mm)	156	152	102	49	127	122	135	117	217	167	51	90
Sunny days	5	5	7	16	9	10	6	6	1	10	18	14
Rainy days	13	13	7	12	21	20	25	25	29	18	5	7
Snow days	13	10	17	2	1	0	0	0	0	3	7	10

Grong - weather forecast by months

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

Best time to visit Grong:

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

April — 8.4(h)
May — 8.6(h)
June — 10.6(h)
July — 10.3(h)
August — 8.9(h)

Months with the longest average daylight duration in Grong:

May — 18.6(h)
June — 21.1(h)
July — 19.8(h)
August — 16.4(h)

The largest precipitation sum in Grong is at

January — 156(mm)

September — 217(mm)

October — 167(mm)

Weather forecast in the closest to Grong admin centers