Climate of Tri-City

Tri-City has a mediterranean climate. The summers are warm and dry, and the temperature is cold in the winter. The average annual temperature for Tri-City is 16° degrees and there is about 154 mm of rain in a year. It is dry for 254 days a year with an average humidity of 79% and an UV-index of 3.

Climate averages for the whole year

Day: the average daily temperature during the day is between 7°C and 27°C
Night:the average nighttime temperature is between 0°C and 9°C
Rain: it rains 88 days and there is a total of approximately 152 mm rainfall
Snow: it snows an average of 3 days per year
Sun hours: throughout the year there are 2710 sun hours

Maximum temperature:	between 7°C and 27°C
Warmest month:	27°C in August
Coldest month:	7°C in December
Night temperature:	between 0°C and 9°C
Dry days:	274 days
Days with rain:	88 days
Days with snow:	3 days
Total rain sum:	152 mm
Hours of sunshine:	2710 hours

Climate of Tri-City
Temperature graph
Precipitation graph
Climate chart of Tri-City
The best travel time for Tri-City
Climate of Tri-City by month
Experiences with the weather of Tri-City

Temperature graph

This graph shows the average maximum temperature (red) and minimum temperature (blue) for Tri-City.

Precipitation graph

This graph shows the average amount of rainfall per month for Tri-City.

Climate table of Tri-City

In this climate table you can see at a glance what the average weather per month is for Tri-City. 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 Tri-City might be like in a given month.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Day temp. (°C)	9	9	11	14	18	21	26	27	24	18	11	7
Night temp. (°C)	1	1	1	2	3	6	8	9	7	5	3	0
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Precipitation (mm)	18	27	20	16	7	7	4	3	3	10	17	20
Days with rain	9	10	12	10	7	6	4	2	3	6	8	11
Days with snow	-	1	1	-	-	-	-	-	-	-	-	1
Dry days	22	17	18	20	24	24	27	29	27	25	22	19
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sun hours per day	5	4	6	7	9	10	12	12	10	6	5	4
Wind force (Bft)	2	2	2	2	2	2	2	1	1	1	2	2
UV-index	2	2	3	3	4	5	6	4	3	3	2	2

Best time to visit Tri-City

The best time to visit Tri-City in the state of Oregon is from May through October. In this period you have a warm temperature and almost no precipitation. The highest average temperature in Tri-City is 27°C in August and the lowest is 7°C in December.

Climate of Tri-City by month

What is the average climate in a given month for Tri-City? 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