Best year time to visit Saint John County

General weather information about Saint John County

Average annual temperature is 7.5 °C

Absolute maximum temperature: 27.3 °C

Absolute minimum temperature: -29.4 °C

Number of sunny days: 161 days

Number of rainy days: 174 days

Number of snow days: 30 days

Look at detailed online map of Saint John County

* Weather data for Saint John County Canada is based on climate observations for 2026 year

Saint John County air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	9.9	8.4	6.8	16.1	22.0	24.1	27.3	26.4	27.0	23.5	12.7	14.8
Average daytime temperature (°C)	2.2	-0.5	3.3	9.9	14.1	17.3	23.6	21.8	20.7	15.6	5.4	3.6
Average temperature (°C)	-1.3	-5.2	-0.4	5.5	9.5	13.6	19.4	17.8	16.2	11.7	1.7	0.4
Average night temperature (°C)	-4.6	-10.3	-3.8	2.0	6.0	10.8	16.6	14.7	13.1	8.8	-1.6	-2.8
Absolute minimum temperature (°C)	-11.4	-29.4	-13.2	-5.3	1.5	5.6	14.2	11.3	5.6	-0.2	-8.5	-11.4

Saint John County 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	9.0
Daylight mean duration (h)	9.2	10.4	11.9	13.5	14.9	15.6	15.3	14.1	12.5	11.0	9.5	8.8
Daylight minimum duration (h)	8.0	9.0	11.0	12.0	14.0	15.0	14.0	13.0	11.0	10.0	9.0	8.0
Sunshine mean duration (h)	4.0	6.1	6.7	9.1	10.0	6.7	7.4	8.9	7.4	6.5	5.3	4.5
Precipitation (mm)	241	56	83	50	82	269	266	175	93	138	83	118
Sunny days	5	14	13	17	17	7	9	13	19	12	17	18
Rainy days	14	8	11	13	14	23	22	18	11	19	12	9
Snow days	12	6	7	0	0	0	0	0	0	0	1	4

Saint John County - weather forecast by months

Saint John County weather in january Saint John County weather in february Saint John County weather in march Saint John County weather in april Saint John County weather in may Saint John County weather in june Saint John County weather in july Saint John County weather in august Saint John County weather in september Saint John County weather in october Saint John County weather in november Saint John County weather in december

Best time to visit Saint John County:

The best time to visit Saint John County during the most sunny months:

April — 9.1(h)
May — 10.0(h)
August — 8.9(h)

Months with the longest average daylight duration in Saint John County:

June — 15.6(h)
July — 15.3(h)

The largest precipitation sum in Saint John County is at

January — 241(mm)

June — 269(mm)

July — 266(mm)

August — 175(mm)

Weather forecast in the closest to Saint John County admin centers