Best year time to visit Fort William

General weather information about Fort William

Average annual temperature is 7.4 °C

Absolute maximum temperature: 33.0 °C

Absolute minimum temperature: -33.1 °C

Number of sunny days: 140 days

Number of rainy days: 172 days

Number of snow days: 53 days

Look at detailed online map of Fort William

* Weather data for Fort William Canada is based on climate observations for 2026 year

Fort William air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	3.5	8.4	7.7	25.8	32.5	33.0	32.5	26.7	31.6	28.7	12.0	9.0
Average daytime temperature (°C)	-2.3	-1.6	2.2	12.0	19.4	24.2	26.1	23.0	22.1	14.9	4.2	1.6
Average temperature (°C)	-5.7	-7.2	-2.0	5.4	12.4	18.9	21.0	18.5	16.7	11.0	0.5	-1.7
Average night temperature (°C)	-8.8	-11.7	-5.6	0.1	5.9	14.1	16.9	14.7	12.5	7.9	-2.4	-4.4
Absolute minimum temperature (°C)	-20.8	-33.1	-13.9	-11.2	-0.5	10.0	13.2	10.3	8.1	-2.4	-9.3	-13.2

Fort William monthly weather indicators

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	9.0	11.0	12.0	14.0	15.0	15.0	15.0	14.0	13.0	11.0	10.0	8.0
Daylight mean duration (h)	9.1	10.4	11.9	13.6	14.9	15.7	15.3	14.1	12.5	10.9	9.5	8.7
Daylight minimum duration (h)	8.0	9.0	11.0	12.0	14.0	15.0	14.0	13.0	11.0	10.0	8.0	8.0
Sunshine mean duration (h)	2.9	4.8	6.0	7.4	10.9	10.7	11.7	9.7	9.4	4.4	4.2	2.8
Precipitation (mm)	82	68	57	120	107	95	146	139	89	113	47	55
Sunny days	9	8	15	13	21	8	5	6	20	11	10	14
Rainy days	9	4	7	15	10	22	26	25	10	19	13	12
Snow days	13	16	9	2	0	0	0	0	0	1	7	5

Fort William - weather forecast by months

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

Best time to visit Fort William:

The best time to visit Fort William during the most sunny months:

May — 10.9(h)
June — 10.7(h)
July — 11.7(h)
August — 9.7(h)
September — 9.4(h)

Months with the longest average daylight duration in Fort William:

June — 15.7(h)
July — 15.3(h)

The largest precipitation sum in Fort William is at

April — 120(mm)

July — 146(mm)

August — 139(mm)

Weather forecast in the closest to Fort William admin centers