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
A slight uplift in the average high-temperature marks May, adjusting from April's fresh 54.3°F (12.4°C) to a comfortable 61.5°F (16.4°C). In the month of May, Cosmopolis witnesses a consistent average low-temperature of 43.9°F (6.6°C).Humidity
In Cosmopolis, the average relative humidity in May is 80%.Rainfall
In Cosmopolis, during May, the rain falls for 9.4 days and regularly aggregates up to 0.55" (14mm) of precipitation. In Cosmopolis, during the entire year, the rain falls for 113.5 days and collects up to 10.24" (260mm) of precipitation.Snowfall
In Cosmopolis, snow does not fall in April through December.Daylight
The average length of the day in May is 15h and 5min.On the first day of the month, sunrise is at 5:57 am and sunset at 8:26 pm. On the last day of May, sunrise is at 5:24 am and sunset at 9:01 pm PDT.
Sunshine
In May, the average sunshine is 8.1h.UV index
In Cosmopolis, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: During May, 4 as the daily maximum UV index converts into the following advice:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the average humidity in May?
How many days does it rain in May?
When it does not snow?
How many hours of daylight does Cosmopolis have in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Cosmopolis have in May?
What is the UV index intensity in May?
Average temperature in May
Cosmopolis, WA
- Average high temperature in May: 61.5°F
The warmest month (with the highest average high temperature) is August (71.4°F).
The month with the lowest average high temperature is December (44.2°F).
- Average low temperature in May: 43.9°F
The month with the highest average low temperature is August (51.1°F).
The coldest month (with the lowest average low temperature) is December (36.5°F).
Average pressure in May
Cosmopolis, WA
- Average pressure in May: 30.05"Hg
The month with the highest atmospheric pressure is July (30.08"Hg).
The month with the lowest atmospheric pressure is March (30.01"Hg).
Average wind speed in May
Cosmopolis, WA
- Average wind speed in May: 5.6mph
The windiest month (with the highest average wind speed) is January (7mph).
The calmest month (with the lowest average wind speed) is September (4.7mph).
Average humidity in May
Cosmopolis, WA
- Average humidity in May: 80%
The months with the highest relative humidity are November and December (88%).
The month with the lowest relative humidity is July (78%).
Average rainfall in May
Cosmopolis, WA
- Average rainfall in May: 0.55"
The wettest month (with the highest rainfall) is January (1.93").
The driest months (with the least rainfall) are July and August (0.12").
Average rainfall days in May
Cosmopolis, WA
- Average rainfall days in May: 9.4 days
The month with the highest number of rainy days is March (13.6 days).
The month with the least rainy days is August (3.2 days).
Average snowfall in May
Cosmopolis, WA
- Average snowfall in May: 0"
The months with the highest snowfall are January and February (0.28").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in May
Cosmopolis, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1.3 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
Cosmopolis, 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: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in May
Cosmopolis, WA
- Average sunshine days in May: 20 days
The month with the most sunshine days is August (25.4 days).
The months with the least sunshine days are February and March (14.1 days).
Average UV index in May
Cosmopolis, 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
Cosmopolis, WA
- Average cloud cover in May: 51
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in May
Cosmopolis, WA
- Average visibility in May: 5mi
The months with the highest visibility are February, March, April, May, June and November (5mi).
The months with the lowest visibility are January, July, August, September, October and December (4mi).
Cosmopolis, Washington, USA
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