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 marks a rise in the average high-temperature, moving from April's mild 57°F (13.9°C) to a comfortable 67.6°F (19.8°C). The average low-temperature of 46°F (7.8°C) in May represents a significant drop from the daily high.Humidity
In May, the average relative humidity is 52%.Rainfall
The months with the most rainfall are May and December, with an average 1.18" (30mm) of precipitation.Snowfall
In Nespelem, snow does not fall in May through August.Daylight
In Nespelem, the average length of the day in May is 15h and 13min.On the first day of May, sunrise is at 5:35 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 4:59 am and sunset at 8:47 pm PDT.
Sunshine
In Nespelem, the average sunshine in May is 10.9h.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 unsafe exposure to UV radiation for ordinary individuals.Note: In May, a daily UV index of 5 turns into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
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?
What is the wettest month?
How many days does it rain in May?
When it does not snow?
Does it snow in May?
What is the average length of the day in May?
When are sunrise and sunset in May?
How many hours of sunshine does Nespelem have in May?
What is the UV index reading in May?
Average temperature in May
Nespelem, WA
- Average high temperature in May: 67.6°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is December (31.6°F).
- Average low temperature in May: 46°F
The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is December (21.4°F).
Average pressure in May
Nespelem, WA
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in May
Nespelem, WA
- Average wind speed in May: 6.3mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is January (4.9mph).
Average humidity in May
Nespelem, WA
- Average humidity in May: 52%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (36%).
Average rainfall in May
Nespelem, WA
- Average rainfall in May: 1.18"
The wettest months (with the highest rainfall) are May and December (1.18").
The driest months (with the least rainfall) are July and August (0.2").
Average rainfall days in May
Nespelem, WA
- Average rainfall days in May: 10.8 days
The month with the highest number of rainy days is March (12.1 days).
The month with the least rainy days is August (3.2 days).
Average snowfall in May
Nespelem, WA
- Average snowfall in May: 0"
The month with the highest snowfall is January (4.41").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in May
Nespelem, WA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is December (10.5 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Nespelem, 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 month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in May
Nespelem, WA
- Average sunshine days in May: 18 days
The month with the most sunshine days is August (25.8 days).
The month with the least sunshine days is March (14.7 days).
Average UV index in May
Nespelem, WA
- Average UV index in May: 5
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in May
Nespelem, WA
- Average cloud cover in May: 28
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in May
Nespelem, WA
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (4mi).
Nespelem, Washington, USA
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