June weather forecastNapavine, WA
June
Weather in June
The first month of the summer, June, is a pleasant month in Napavine, Washington, with an average temperature varying between 69.4°F (20.8°C) and 44.8°F (7.1°C).Temperature
The start of June marks an average high-temperature of a pleasant 69.4°F (20.8°C), hardly distinguishable from the conditions in May. Napavine's daily high temperature significantly diverges from the consistently recorded temperature low averaging a frosty 44.8°F (7.1°C) in June.Humidity
The average relative humidity in June is 77%.Rainfall
In June, the rain falls for 12.6 days. Throughout June, 1.5" (38mm) of precipitation is accumulated. In Napavine, during the entire year, the rain falls for 185.5 days and collects up to 36.1" (917mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
June has the longest days of the year, with an average of 15h and 48min of daylight.On the first day of June, sunrise is at 5:21 am and sunset at 8:57 pm. On the last day of the month, sunrise is at 5:22 am and sunset at 9:08 pm PDT.
Sunshine
In Napavine, the average sunshine in June is 8.6h.UV index
In June, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In June, a daily maximum UV index of 4 leads to the following instructions:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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
Napavine, WA
- Average high temperature in June: 69.4°F
The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is December (42.6°F).
- Average low temperature in June: 44.8°F
The month with the highest average low temperature is August (50°F).
The coldest month (with the lowest average low temperature) is December (33.1°F).
Average pressure in June
Napavine, WA
- Average pressure in June: 30.04"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.02"Hg).
Average wind speed in June
Napavine, WA
- Average wind speed in June: 4mph
The windiest months (with the highest average wind speed) are January, March and November (4.5mph).
The calmest month (with the lowest average wind speed) is September (3.6mph).
Average humidity in June
Napavine, WA
- Average humidity in June: 77%
The months with the highest relative humidity are January, February, November and December (89%).
The month with the lowest relative humidity is July (73%).
Average rainfall in June
Napavine, WA
- Average rainfall in June: 1.5"
The wettest month (with the highest rainfall) is January (5.51").
The driest month (with the least rainfall) is July (0.47").
Average rainfall days in June
Napavine, WA
- Average rainfall days in June: 12.6 days
The month with the highest number of rainy days is March (21.5 days).
The month with the least rainy days is August (6.4 days).
Average snowfall in June
Napavine, WA
- Average snowfall in June: 0"
The month with the highest snowfall is February (1.93").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in June
Napavine, WA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is February (3.5 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
Napavine, 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 36min
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 30min).
Average sunshine days in June
Napavine, WA
- Average sunshine days in June: 14.8 days
The months with the most sunshine days are July and August (20.8 days).
The month with the least sunshine days is February (7.6 days).
Average UV index in June
Napavine, WA
- Average UV index in June: 4
The month with the highest UV index is 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
Napavine, WA
- Average cloud cover in June: 54
The months with the most cloud cover are January, February and December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in June
Napavine, WA
- Average visibility in June: 4mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).





