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
May's onset brings a temperature rise, moving from a mild 59.2°F (15.1°C) in April to an agreeable 69.3°F (20.7°C). The nighttime average for Terrace Heights in May plummets considerably from its daytime counterpart, resting at a frosty 47.5°F (8.6°C).Humidity
In Terrace Heights, Washington, the average relative humidity in May is 51%.Rainfall
In Terrace Heights, in May, it is raining for 6.8 days, with typically 0.63" (16mm) of accumulated precipitation. In Terrace Heights, during the entire year, the rain falls for 82.2 days and collects up to 5.43" (138mm) of precipitation.Snowfall
In Terrace Heights, snow does not fall in April through August and October.Daylight
The average length of the day in May in Terrace Heights, Washington, is 15h and 3min.On the first day of the month, sunrise is at 5:45 am and sunset at 8:11 pm. On the last day of May, sunrise is at 5:12 am and sunset at 8:47 pm PDT.
Sunshine
In Terrace Heights, Washington, the average sunshine in May is 11.4h.UV index
In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 5 in May, converts into the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Frequently asked questions
What is the average May temperature in Terrace Heights?
What is the average humidity in May in Terrace Heights?
How much does it rain in Terrace Heights in May?
When it does not snow in Terrace Heights?
What is the average length of the day in May in Terrace Heights?
When are sunrise and sunset in May in Terrace Heights?
How long on average sun shines in May in Terrace Heights?
What is the UV index reading in May in Terrace Heights?
Average temperature in May
Terrace Heights, WA
- Average high temperature in May: 69.3°F
The warmest month (with the highest average high temperature) is August (86.5°F).
The month with the lowest average high temperature is December (36.9°F).
- Average low temperature in May: 47.5°F
The month with the highest average low temperature is August (60.3°F).
The coldest month (with the lowest average low temperature) is December (25.5°F).
Average pressure in May
Terrace Heights, WA
- Average pressure in May: 29.97"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).
Average wind speed in May
Terrace Heights, WA
- Average wind speed in May: 6.8mph
The windiest month (with the highest average wind speed) is June (7.1mph).
The calmest month (with the lowest average wind speed) is December (4.4mph).
Average humidity in May
Terrace Heights, WA
- Average humidity in May: 51%
The month with the highest relative humidity is January (81%).
The months with the lowest relative humidity are July and August (39%).
Average rainfall in May
Terrace Heights, WA
- Average rainfall in May: 0.63"
The wettest month (with the highest rainfall) is January (0.87").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in May
Terrace Heights, WA
- Average rainfall days in May: 6.8 days
The month with the highest number of rainy days is March (10.8 days).
The month with the least rainy days is August (2 days).
Average snowfall in May
Terrace Heights, WA
- Average snowfall in May: 0"
The month with the highest snowfall is December (2.76").
The months with the least snowfall are April, May, June, July, August and October (0").
Average snowfall days in May
Terrace Heights, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is December (5.4 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight in May /
Average sunshine in May
Terrace Heights, WA
- Average daylight in May: 15h and 0min
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 May: 11h and 2min
The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in May
Terrace Heights, WA
- Average sunshine days in May: 21.2 days
The month with the most sunshine days is July (27.5 days).
The month with the least sunshine days is February (15.8 days).
Average UV index in May
Terrace Heights, WA
- Average UV index in May: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Terrace Heights, WA
- Average cloud cover in May: 22
The month with the most cloud cover is January (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in May
Terrace Heights, WA
- Average visibility in May: 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).
Terrace Heights, Washington, USA
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