June weather forecastOlympia, WA
June
Weather in June
June marks the official start of summer in Olympia, allowing residents and tourists to enjoy the city in full swing. The weather continues to warm up, with the early morning fog gradually dissipating, revealing clear blue skies. Rainfall decreases further to 1.26" (32mm), making it one of the driest months of the year. Enjoy the long sun-filled days, but remember sunscreen because the UV index increases. The fair weather continues to prevail throughout the month and into July.Temperature
The arrival of June in Olympia marks a slight shift to an average high-temperature of an agreeable 70.3°F (21.3°C) from May's 65.7°F (18.7°C). Contrasted against daytime highs, Olympia records an average nighttime low of 45.3°F (7.4°C) in June.Humidity
In Olympia, Washington, the average relative humidity in June is 75%.Rainfall
In Olympia, Washington, during June, the rain falls for 11.3 days and regularly aggregates up to 1.26" (32mm) of precipitation. In Olympia, Washington, during the entire year, the rain falls for 177.4 days and collects up to 37.05" (941mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
The month with the longest days is June, with an average of 15h and 48min of daylight.On the first day of the month, sunrise is at 5:19 am and sunset at 8:59 pm. On the last day of June, sunrise is at 5:20 am and sunset at 9:10 pm PDT.
Sunshine
In Olympia, Washington, the average sunshine in June is 8.7h.UV index
The months with the highest UV index in Olympia are June and July, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: A maximum high daily UV index of 5 during June translates into the following directions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. When the Sun is at its strongest around midday, find shade and limit exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Olympia, WA
- Average high temperature in June: 70.3°F
The warmest month (with the highest average high temperature) is August (78.6°F).
The month with the lowest average high temperature is December (43°F).
- Average low temperature in June: 45.3°F
The month with the highest average low temperature is August (50.5°F).
The coldest month (with the lowest average low temperature) is December (33.4°F).
Average pressure in June
Olympia, WA
- Average pressure in June: 30.04"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is March (30.01"Hg).
Average wind speed in June
Olympia, WA
- Average wind speed in June: 4.5mph
The windiest months (with the highest average wind speed) are March and November (4.6mph).
The calmest month (with the lowest average wind speed) is September (3.8mph).
Average humidity in June
Olympia, WA
- Average humidity in June: 75%
The months with the highest relative humidity are January, November and December (89%).
The month with the lowest relative humidity is July (71%).
Average rainfall in June
Olympia, WA
- Average rainfall in June: 1.26"
The wettest month (with the highest rainfall) is December (5.79").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in June
Olympia, WA
- Average rainfall days in June: 11.3 days
The month with the highest number of rainy days is March (20.4 days).
The month with the least rainy days is August (5.5 days).
Average snowfall in June
Olympia, WA
- Average snowfall in June: 0"
The month with the highest snowfall is February (2.32").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in June
Olympia, WA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in June /
Average sunshine in June
Olympia, WA
- Average daylight in June: 15h and 48min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in June: 8h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in June
Olympia, WA
- Average sunshine days in June: 15.8 days
The month with the most sunshine days is August (22.4 days).
The month with the least sunshine days is February (8.4 days).
Average UV index in June
Olympia, WA
- Average UV index in June: 5
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in June
Olympia, WA
- Average cloud cover in June: 51
The months with the most cloud cover are January and December (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in June
Olympia, WA
- Average visibility in June: 5mi
The months with the highest visibility are June, July and August (5mi).
The months with the lowest visibility are January, February, March, April, May, September, October, November and December (4mi).
