Best year time to visit Saint John

General weather information about Saint John

Average annual temperature is 12.7 °C

Absolute maximum temperature: 27.1 °C

Absolute minimum temperature: -0.7 °C

Number of sunny days: 112 days

Number of rainy days: 253 days

Look at detailed online map of Saint John

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

Saint John air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	12.8	11.6	14.7	14.9	17.8	24.2	27.1	23.8	26.7	23.0	15.3	13.6
Average daytime temperature (°C)	9.1	8.9	10.6	11.8	15.1	19.4	19.2	18.9	20.7	16.6	12.4	11.0
Average temperature (°C)	8.0	7.5	8.9	9.8	12.7	16.6	17.2	17.2	18.3	14.9	11.1	9.9
Average night temperature (°C)	6.5	6.0	7.4	7.9	10.4	14.0	15.3	15.6	16.1	13.2	9.6	8.6
Absolute minimum temperature (°C)	-0.7	1.4	2.2	3.3	7.4	11.3	13.1	14.2	11.6	9.0	3.3	2.7

Saint John 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	15.0	16.0	16.0	15.0	13.0	11.0	9.0	8.0
Daylight mean duration (h)	8.7	10.1	11.9	13.7	15.3	16.2	15.8	14.4	12.6	10.8	9.2	8.3
Daylight minimum duration (h)	8.0	9.0	10.0	12.0	14.0	15.0	15.0	13.0	11.0	9.0	8.0	8.0
Sunshine mean duration (h)	3.7	5.9	6.4	8.7	12.3	13.0	11.1	9.7	9.6	6.8	4.5	3.9
Precipitation (mm)	134	16	121	64	31	24	131	124	102	97	219	108
Sunny days	5	11	4	12	18	18	5	6	10	12	4	7
Rainy days	26	17	27	18	13	12	26	25	20	19	26	24
Snow days	0	0	0	0	0	0	0	0	0	0	0	0

Saint John - weather forecast by months

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Best time to visit Saint John:

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

May — 12.3(h)
June — 13.0(h)
July — 11.1(h)

Months with the longest average daylight duration in Saint John:

June — 16.2(h)
July — 15.8(h)

The largest precipitation sum in Saint John is at

January — 134(mm)

July — 131(mm)

August — 124(mm)

November — 219(mm)

Weather forecast in the closest to Saint John admin centers