Contents
- Weather in June
- Frequently asked questions
- Average temperature in June
- Average pressure in June
- Average wind speed in June
- Average humidity in June
- Average rainfall in June
- Average rainfall days in June
- Average snowfall in June
- Average snowfall days in June
- Average daylight in June
- Average sunshine in June
- Average sunshine days in June
- Average UV index in June
- Average cloud cover in June
- Average visibility in June
Weather in June
Temperature
Entering June, Grand Coulee notices a subtle temperature elevation, with the average high-temperature advancing from May's refreshing 67.6°F (19.8°C) to a warm 74.3°F (23.5°C). The nighttime temperature during June exhibits a clear drop from daytime highs, settling at a cool 51.8°F (11°C).Humidity
In Grand Coulee, Washington, the average relative humidity in June is 49%.Rainfall
In Grand Coulee, during June, the rain falls for 8.4 days and regularly aggregates up to 0.75" (19mm) of precipitation. In Grand Coulee, during the entire year, the rain falls for 102.1 days and collects up to 9.65" (245mm) of precipitation.Snowfall
May through August are months without snowfall in Grand Coulee, Washington.Daylight
With an average of 16h and 0min of daylight, June has the longest days of the year.On the first day of June in Grand Coulee, sunrise is at 5:00 am and sunset at 8:47 pm. On the last day of the month, sunrise is at 5:00 am and sunset at 8:59 pm PDT.
Sunshine
In June, the average sunshine in Grand Coulee is 11.3h.UV index
In June, the average daily maximum UV index in Grand Coulee, Washington, is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: In June, a daily UV index of 6 turns into the following recommendations:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Frequently asked questions
What are the temperatures in Grand Coulee in June?
What is the average humidity in June in Grand Coulee?
How much does it rain in Grand Coulee in June?
When it does not snow in Grand Coulee?
When are the longest days in Grand Coulee?
How many hours of daylight does Grand Coulee have in June?
When are sunrise and sunset in June in Grand Coulee?
How long on average sun shines in June in Grand Coulee?
What is the UV index intensity in June in Grand Coulee?
Average temperature in June
Grand Coulee, WA
- Average high temperature in June: 74.3°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is December (31.6°F).
- Average low temperature in June: 51.8°F
The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is December (21.4°F).
Average pressure in June
Grand Coulee, WA
- Average pressure in June: 29.92"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in June
Grand Coulee, WA
- Average wind speed in June: 6.3mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is January (4.9mph).
Average humidity in June
Grand Coulee, WA
- Average humidity in June: 49%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (36%).
Average rainfall in June
Grand Coulee, WA
- Average rainfall in June: 0.75"
The wettest months (with the highest rainfall) are May and December (1.18").
The driest months (with the least rainfall) are July and August (0.2").
Average rainfall days in June
Grand Coulee, WA
- Average rainfall days in June: 8.4 days
The month with the highest number of rainy days is March (12.1 days).
The month with the least rainy days is August (3.2 days).
Average snowfall in June
Grand Coulee, WA
- Average snowfall in June: 0"
The month with the highest snowfall is January (4.41").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in June
Grand Coulee, WA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is December (10.5 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in June /
Average sunshine in June
Grand Coulee, WA
- Average daylight in June: 16h and 0min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in June: 11h and 2min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in June
Grand Coulee, WA
- Average sunshine days in June: 19.9 days
The month with the most sunshine days is August (25.8 days).
The month with the least sunshine days is March (14.7 days).
Average UV index in June
Grand Coulee, WA
- Average UV index in June: 6
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in June
Grand Coulee, WA
- Average cloud cover in June: 24
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in June
Grand Coulee, WA
- Average visibility in June: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (4mi).
Grand Coulee, Washington, USA
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