May weather forecastLanglois, OR
May
Weather in May
May, the last month of the spring in Langlois, is a moderate month, with an average temperature fluctuating between 47.7°F (8.7°C) and 57.9°F (14.4°C).Temperature
The unfolding of May shows an average high-temperature of a mild 57.9°F (14.4°C), indicating a slight variance from April's 54.1°F (12.3°C). Throughout the month of May, Langlois observes an average nighttime temperature of 47.7°F (8.7°C).Humidity
The average relative humidity in May is 81%.Rainfall
In Langlois, during May, the rain falls for 10.6 days and regularly aggregates up to 1.69" (43mm) of precipitation. Throughout the year, there are 148.6 rainfall days, and 34.13" (867mm) of precipitation is accumulated.Snowfall
In Langlois, snow does not fall in January, March through December.Daylight
In Langlois, the average length of the day in May is 14h and 40min.On the first day of May, sunrise is at 6:10 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 8:49 pm PDT.
Sunshine
The average sunshine in May is 9.2h.UV index
The average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The average daily UV index of 4 in May transforms into the following instructions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. 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
Average temperature in May
Langlois, OR
- Average high temperature in May: 57.9°F
The warmest month (with the highest average high temperature) is August (66°F).
The month with the lowest average high temperature is December (50.5°F).
- Average low temperature in May: 47.7°F
The month with the highest average low temperature is August (54°F).
The coldest month (with the lowest average low temperature) is February (43°F).
Average pressure in May
Langlois, OR
- Average pressure in May: 30.06"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is September (30.01"Hg).
Average wind speed in May
Langlois, OR
- Average wind speed in May: 9.3mph
The windiest month (with the highest average wind speed) is March (10.4mph).
The calmest months (with the lowest average wind speed) are August and September (8.1mph).
Average humidity in May
Langlois, OR
- Average humidity in May: 81%
The month with the highest relative humidity is August (84%).
The months with the lowest relative humidity are April, October and December (80%).
Average rainfall in May
Langlois, OR
- Average rainfall in May: 1.69"
The wettest month (with the highest rainfall) is December (5.83").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in May
Langlois, OR
- Average rainfall days in May: 10.6 days
The month with the highest number of rainy days is March (18.9 days).
The months with the least rainy days are July and August (3.6 days).
Average snowfall in May
Langlois, OR
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.39").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in May
Langlois, OR
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and December (0 days).
Average daylight in May /
Average sunshine in May
Langlois, OR
- Average daylight in May: 14h and 42min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 9h and 12min
The months with the most sunshine are July and August (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in May
Langlois, OR
- Average sunshine days in May: 17.3 days
The month with the most sunshine days is July (25 days).
The month with the least sunshine days is March (10.4 days).
Average UV index in May
Langlois, OR
- Average UV index in May: 4
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is February (UV index 2).
Average cloud cover in May
Langlois, OR
- Average cloud cover in May: 41
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 24).
Average visibility in May
Langlois, OR
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





