Best year time to visit Sluis

General weather information about Sluis

Average annual temperature is 11.9 °C

Absolute maximum temperature: 31.1 °C

Absolute minimum temperature: -5.3 °C

Number of sunny days: 120 days

Number of rainy days: 244 days

Number of snow days: 1 day

Look at detailed online map of Sluis

* Weather data for Sluis Belgium is based on climate observations for 2026 year

Sluis air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	15.0	11.6	17.0	17.1	23.5	30.7	31.1	27.3	30.8	24.6	15.0	12.6
Average daytime temperature (°C)	7.6	8.6	10.4	12.3	17.6	25.2	22.4	21.8	23.2	17.1	10.2	8.9
Average temperature (°C)	5.4	5.5	7.2	8.5	13.1	19.9	18.4	17.9	18.7	13.7	7.9	6.8
Average night temperature (°C)	3.0	2.4	3.9	4.5	8.2	13.9	14.3	13.9	14.2	10.6	5.7	4.7
Absolute minimum temperature (°C)	-3.8	-3.6	-2.8	-2.1	3.3	9.7	11.6	10.2	9.3	2.8	-1.2	-5.3

Sluis monthly weather indicators

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	9.0	10.0	12.0	14.0	16.0	16.0	16.0	15.0	13.0	11.0	9.0	8.0
Daylight mean duration (h)	8.5	10.0	11.9	13.8	15.5	16.4	16.0	14.5	12.6	10.7	9.0	8.0
Daylight minimum duration (h)	8.0	9.0	10.0	12.0	14.0	16.0	15.0	13.0	11.0	9.0	8.0	7.0
Sunshine mean duration (h)	3.6	4.5	4.5	7.7	10.5	13.0	10.6	10.2	9.1	6.2	3.7	2.0
Precipitation (mm)	93	13	129	78	55	40	122	78	59	114	147	86
Sunny days	9	14	3	8	17	20	5	8	18	9	2	7
Rainy days	22	13	28	22	14	10	26	23	12	22	28	24
Snow days	0	1	0	0	0	0	0	0	0	0	0	0

Sluis - weather forecast by months

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

Best time to visit Sluis:

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

May — 10.5(h)
June — 13.0(h)
July — 10.6(h)
August — 10.2(h)
September — 9.1(h)

Months with the longest average daylight duration in Sluis:

May — 15.5(h)
June — 16.4(h)
July — 16.0(h)

The largest precipitation sum in Sluis is at

March — 129(mm)

July — 122(mm)

October — 114(mm)

November — 147(mm)

Weather forecast in the closest to Sluis admin centers