June weather forecastLummi Island, WA
June
Weather in June
June, the first month of the summer in Lummi Island, is also an enjoyable month, with an average temperature ranging between min 48.9°F (9.4°C) and max 65.5°F (18.6°C).Temperature
With the onset of June, the average high-temperature stands at a still refreshing 65.5°F (18.6°C), closely aligned with May's 61.5°F (16.4°C). Lummi Island witnesses an average low-temperature of 48.9°F (9.4°C) throughout the month of June.Humidity
In June, the average relative humidity is 76%.Rainfall
In June, the rain falls for 11.8 days. Throughout June, 1.34" (34mm) of precipitation is accumulated. In Lummi Island, during the entire year, the rain falls for 178.6 days and collects up to 37.32" (948mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
June has the longest days of the year, with an average of 16h and 6min of daylight.On the first day of the month, sunrise is at 5:11 am and sunset at 9:05 pm. On the last day of June, in Lummi Island, sunrise is at 5:11 am and sunset at 9:17 pm PDT.
Sunshine
In June, the average sunshine is 9.5h.UV index
The months with the highest UV index are June and July, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The UV index of 5 in June translates into these instructions:
Adopt protective measures - Suggestions to resist sunburn are offered. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Lummi Island, WA
- Average high temperature in June: 65.5°F
The warmest month (with the highest average high temperature) is August (71.1°F).
The month with the lowest average high temperature is December (41.9°F).
- Average low temperature in June: 48.9°F
The month with the highest average low temperature is August (53.8°F).
The coldest month (with the lowest average low temperature) is February (35.2°F).
Average pressure in June
Lummi Island, WA
- Average pressure in June: 30.01"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is March (30"Hg).
Average wind speed in June
Lummi Island, WA
- Average wind speed in June: 4.3mph
The windiest month (with the highest average wind speed) is November (6.2mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in June
Lummi Island, WA
- Average humidity in June: 76%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is July (74%).
Average rainfall in June
Lummi Island, WA
- Average rainfall in June: 1.34"
The wettest month (with the highest rainfall) is November (5.71").
The driest month (with the least rainfall) is July (0.67").
Average rainfall days in June
Lummi Island, WA
- Average rainfall days in June: 11.8 days
The month with the highest number of rainy days is November (20.1 days).
The month with the least rainy days is August (7.3 days).
Average snowfall in June
Lummi Island, WA
- Average snowfall in June: 0"
The month with the highest snowfall is February (2.56").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in June
Lummi Island, WA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is February (3.8 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
Lummi Island, WA
- Average daylight in June: 16h and 6min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in June: 9h and 30min
The months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The months with the least sunshine are January and December (Average sunshine: 4h and 12min).
Average sunshine days in June
Lummi Island, WA
- Average sunshine days in June: 15.7 days
The month with the most sunshine days is August (21.9 days).
The month with the least sunshine days is November (8.5 days).
Average UV index in June
Lummi Island, 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
Lummi Island, WA
- Average cloud cover in June: 40
The months with the most cloud cover are January and December (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in June
Lummi Island, WA
- Average visibility in June: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





