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 arrival signals a subtle increase in average high-temperatures, moving from April's cool 55.2°F (12.9°C) to a refreshing 63.1°F (17.3°C). During May, Montesano records an average temperature of 41.7°F (5.4°C) at night.Humidity
In May, the average relative humidity is 80%.Rainfall
In Montesano, in May, it is raining for 12.3 days, with typically 1.46" (37mm) of accumulated precipitation. Throughout the year, there are 165.4 rainfall days, and 30.47" (774mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In Montesano, the average length of the day in May is 15h and 5min.On the first day of May, sunrise is at 5:57 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 5:23 am and sunset at 9:01 pm PDT.
Sunshine
The average sunshine in May is 7.8h.UV index
In May, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: An average maximum UV index of 4 in May leads to these recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Montesano in May?
What is the average humidity in May?
How many days does it rain in May?
When it does not snow?
What is the average length of the day in May?
When are sunrise and sunset in May?
How many hours of sunshine does Montesano have in May?
What is the UV index reading in May?
Average temperature in May
Montesano, WA
- Average high temperature in May: 63.1°F
The warmest month (with the highest average high temperature) is August (74.8°F).
The month with the lowest average high temperature is December (43.9°F).
- Average low temperature in May: 41.7°F
The month with the highest average low temperature is August (49.6°F).
The coldest month (with the lowest average low temperature) is February (34.5°F).
Average pressure in May
Montesano, WA
- Average pressure in May: 30.05"Hg
The months with the highest atmospheric pressure are January and July (30.07"Hg).
The month with the lowest atmospheric pressure is March (30.01"Hg).
Average wind speed in May
Montesano, WA
- Average wind speed in May: 4.8mph
The windiest month (with the highest average wind speed) is January (5.5mph).
The calmest month (with the lowest average wind speed) is September (3.9mph).
Average humidity in May
Montesano, WA
- Average humidity in May: 80%
The months with the highest relative humidity are November and December (90%).
The month with the lowest relative humidity is July (76%).
Average rainfall in May
Montesano, WA
- Average rainfall in May: 1.46"
The wettest months (with the highest rainfall) are January and December (5.04").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in May
Montesano, WA
- Average rainfall days in May: 12.3 days
The month with the highest number of rainy days is March (19.2 days).
The month with the least rainy days is August (5.9 days).
Average snowfall in May
Montesano, WA
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.02").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Montesano, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Montesano, WA
- Average daylight in May: 15h and 1min
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: 7h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The months with the least sunshine are January and December (Average sunshine: 3h and 18min).
Average sunshine days in May
Montesano, WA
- Average sunshine days in May: 15.8 days
The months with the most sunshine days are July and August (22.1 days).
The month with the least sunshine days is March (10 days).
Average UV index in May
Montesano, WA
- Average UV index in May: 4
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 May
Montesano, WA
- Average cloud cover in May: 55
The months with the most cloud cover are January and December (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 42).
Average visibility in May
Montesano, WA
- Average visibility in May: 4mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
Montesano, Washington, USA
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