Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
Roche Harbor in May denotes a subtle temperature transition, adjusting from an average high of a fresh 52.2°F (11.2°C) in April to a moderate 57.7°F (14.3°C). Roche Harbor records a negligible downturn from daytime temperatures, averaging a low of 50.9°F (10.5°C) in the month of May.Humidity
In Roche Harbor, Washington, the average relative humidity in May is 77%.Rainfall
In May, in Roche Harbor, Washington, the rain falls for 12.3 days. Throughout May, 1.34" (34mm) of precipitation is accumulated. Throughout the year, in Roche Harbor, Washington, there are 167.7 rainfall days, and 23.46" (596mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall in Roche Harbor.Daylight
In Roche Harbor, the average length of the day in May is 15h and 17min.On the first day of May, sunrise is at 5:51 am and sunset at 8:28 pm. On the last day of the month, sunrise is at 5:14 am and sunset at 9:06 pm PDT.
Sunshine
In May, the average sunshine is 9.6h.UV index
In May, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index, 4 during May, leads to the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Frequently asked questions
What are the temperatures in Roche Harbor in May?
What is the average humidity in May in Roche Harbor?
How much does it rain in Roche Harbor in May?
When it does not snow in Roche Harbor?
How many hours of daylight does Roche Harbor have in May?
When are sunrise and sunset in May in Roche Harbor?
How long on average sun shines in May in Roche Harbor?
What is the UV index intensity in May in Roche Harbor?
Average temperature in May
Roche Harbor, WA
- Average high temperature in May: 57.7°F
The warmest month (with the highest average high temperature) is July (64.9°F).
The months with the lowest average high temperature are January, February and December (45.3°F).
- Average low temperature in May: 50.9°F
The month with the highest average low temperature is August (57.7°F).
The coldest month (with the lowest average low temperature) is February (40.5°F).
Average pressure in May
Roche Harbor, WA
- Average pressure in May: 30.03"Hg
The month with the highest atmospheric pressure is January (30.07"Hg).
The month with the lowest atmospheric pressure is March (30"Hg).
Average wind speed in May
Roche Harbor, WA
- Average wind speed in May: 6.2mph
The windiest month (with the highest average wind speed) is November (10.7mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in May
Roche Harbor, WA
- Average humidity in May: 77%
The months with the highest relative humidity are January, August and September (79%).
The month with the lowest relative humidity is April (76%).
Average rainfall in May
Roche Harbor, WA
- Average rainfall in May: 1.34"
The wettest month (with the highest rainfall) is November (3.43").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in May
Roche Harbor, WA
- Average rainfall days in May: 12.3 days
The month with the highest number of rainy days is March (20.2 days).
The month with the least rainy days is August (5.3 days).
Average snowfall in May
Roche Harbor, WA
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.77").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Roche Harbor, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Roche Harbor, WA
- Average daylight in May: 15h and 2min
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 May: 9h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in May
Roche Harbor, WA
- Average sunshine days in May: 17.1 days
The month with the most sunshine days is August (24.7 days).
The month with the least sunshine days is November (8.7 days).
Average UV index in May
Roche Harbor, WA
- Average UV index in May: 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 May
Roche Harbor, WA
- Average cloud cover in May: 37
The months with the most cloud cover are February and December (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 23).
Average visibility in May
Roche Harbor, WA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Roche Harbor, Washington, USA
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