Climate of St. John

St. John has a mediterranean climate. The summers are warm and dry, and the temperature is cold in the winter. The average annual temperature for St. John is 14° degrees and there is about 151 mm of rain in a year. It is dry for 250 days a year with an average humidity of 65% and an UV-index of 4.

Climate averages for the whole year

Day: the average daily temperature during the day is between 0°C and 29°C
Night:the average nighttime temperature is between -5°C and 16°C
Rain: it rains 78 days and there is a total of approximately 152 mm rainfall
Snow: it snows an average of 32 days per year
Sun hours: throughout the year there are 3025 sun hours

Maximum temperature:	between 0°C and 29°C
Warmest month:	29°C in July
Coldest month:	0°C in December
Night temperature:	between -5°C and 16°C
Dry days:	255 days
Days with rain:	78 days
Days with snow:	32 days
Total rain sum:	152 mm
Hours of sunshine:	3025 hours

Climate of St. John
Temperature graph
Precipitation graph
Climate chart of St. John
The best travel time for St. John
Climate of St. John by month
Experiences with the weather of St. John

Temperature graph

This graph shows the average maximum temperature (red) and minimum temperature (blue) for St. John.

Precipitation graph

This graph shows the average amount of rainfall per month for St. John.

Climate table of St. John

In this climate table you can see at a glance what the average weather per month is for St. John. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for St. John might be like in a given month.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Day temp. (°C)	1	3	8	13	19	22	29	29	23	14	6	0
Night temp. (°C)	-4	-3	1	3	7	10	15	16	12	6	0	-5
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Precipitation (mm)	18	18	18	10	11	12	3	5	4	16	17	20
Days with rain	7	6	10	8	7	7	4	4	5	8	6	6
Days with snow	7	8	3	2	-	-	-	-	-	-	3	9
Dry days	17	14	18	20	24	23	27	27	25	23	21	16
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sun hours per day	5	4	7	10	11	11	12	12	11	7	5	4
Wind force (Bft)	2	3	3	3	3	3	2	2	2	3	3	3
UV-index	2	2	3	3	4	5	7	5	4	3	2	2

Best time to visit St. John

The best time to visit St. John in the state of Washington is from May through September. In this period you have a warm temperature and almost no precipitation. The highest average temperature in St. John is 29°C in July and the lowest is 0°C in December.

Climate of St. John by month

What is the average climate in a given month for St. John? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.

January