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
The transition from April to May brings a temperature rise, with average high-temperatures increasing from a frosty 47.5°F (8.6°C) to a refreshing 59.4°F (15.2°C). In May, the temperature sees a substantial plunge from daytime highs to a low average of 36.7°F (2.6°C).Humidity
The average relative humidity in May in Twisp is 66%.Rainfall
In May, the rain falls for 14.6 days. Throughout May, 1.57" (40mm) of precipitation is accumulated. In Twisp, during the entire year, the rain falls for 141.4 days and collects up to 18.07" (459mm) of precipitation.Snowfall
In Twisp, snow does not fall in May through August.Daylight
The average length of the day in May is 15h and 15min.On the first day of May, sunrise is at 5:39 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 5:03 am and sunset at 8:53 pm PDT.
Sunshine
In Twisp, the average sunshine in May is 10.8h.UV index
In May, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: A maximum high daily UV index of 4 during May translates into the following directions:
Undertake protective steps - Preventing sun damage is advised. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
Does it snow in Twisp in May?
How many hours of daylight does Twisp have in May?
When is the sunrise / sunset in May in Twisp?
How many hours of sunshine does Twisp have in May?
What is the UV index reading in May?
Average temperature in May
Twisp, WA
- Average high temperature in May: 59.4°F
The warmest month (with the highest average high temperature) is August (76.8°F).
The month with the lowest average high temperature is December (27.9°F).
- Average low temperature in May: 36.7°F
The month with the highest average low temperature is August (48.9°F).
The coldest month (with the lowest average low temperature) is December (14.7°F).
Average pressure in May
Twisp, WA
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.94"Hg).
Average wind speed in May
Twisp, WA
- Average wind speed in May: 4.6mph
The windiest month (with the highest average wind speed) is July (5.1mph).
The calmest months (with the lowest average wind speed) are January and December (3.5mph).
Average humidity in May
Twisp, WA
- Average humidity in May: 66%
The months with the highest relative humidity are January and February (92%).
The months with the lowest relative humidity are July and August (51%).
Average rainfall in May
Twisp, WA
- Average rainfall in May: 1.57"
The wettest month (with the highest rainfall) is December (2.52").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in May
Twisp, WA
- Average rainfall days in May: 14.6 days
The month with the highest number of rainy days is March (17.1 days).
The month with the least rainy days is August (5.7 days).
Average snowfall in May
Twisp, WA
- Average snowfall in May: 0"
The month with the highest snowfall is December (12.28").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in May
Twisp, WA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is December (15.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Twisp, WA
- Average daylight in May: 15h and 1min
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 24min).
- Average sunshine in May: 10h and 5min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in May
Twisp, WA
- Average sunshine days in May: 13.3 days
The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is March (8.9 days).
Average UV index in May
Twisp, WA
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover in May
Twisp, WA
- Average cloud cover in May: 31
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in May
Twisp, WA
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).
Twisp, Washington, USA
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