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 in Grants Pass brings a subtle temperature rise, with average high-temperatures increasing from a refreshing 57.9°F (14.4°C) to an enjoyable 66.7°F (19.3°C). May nights showcase a dramatic shift from daytime highs to an average temperature of 39.7°F (4.3°C).Humidity
In May, the average relative humidity is 74%.Rainfall
In Grants Pass, in May, during 11.8 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. In Grants Pass, during the entire year, the rain falls for 135.3 days and collects up to 23.54" (598mm) of precipitation.Snowfall
In Grants Pass, snow does not fall in May through October.Daylight
The average length of the day in May is 14h and 38min.On the first day of May, sunrise is at 6:06 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:43 pm PDT.
Sunshine
In Grants Pass, the average sunshine in May is 9.9h.UV index
In May, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 4 in May translates into the following instructions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Grants Pass in May?
What is the average humidity in May?
How much 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 is the sunrise / sunset in May?
How many hours of sunshine does Grants Pass have in May?
What is the UV index intensity in May?
Average temperature in May
Grants Pass, OR
- Average high temperature in May: 66.7°F
The warmest month (with the highest average high temperature) is August (84.7°F).
The month with the lowest average high temperature is December (46°F).
- Average low temperature in May: 39.7°F
The month with the highest average low temperature is August (49.1°F).
The coldest month (with the lowest average low temperature) is December (31.5°F).
Average pressure in May
Grants Pass, OR
- Average pressure in May: 30.03"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is August (29.99"Hg).
Average wind speed in May
Grants Pass, OR
- Average wind speed in May: 3.7mph
The windiest month (with the highest average wind speed) is March (4mph).
The calmest month (with the lowest average wind speed) is August (3.2mph).
Average humidity in May
Grants Pass, OR
- Average humidity in May: 74%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (63%).
Average rainfall in May
Grants Pass, OR
- Average rainfall in May: 1.69"
The wettest month (with the highest rainfall) is December (4.02").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in May
Grants Pass, OR
- Average rainfall days in May: 11.8 days
The month with the highest number of rainy days is March (18.7 days).
The month with the least rainy days is August (2.5 days).
Average snowfall in May
Grants Pass, OR
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.5").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Grants Pass, OR
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Grants Pass, OR
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 9h and 5min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days in May
Grants Pass, OR
- Average sunshine days in May: 16.3 days
The month with the most sunshine days is July (26.7 days).
The month with the least sunshine days is March (10.8 days).
Average UV index in May
Grants Pass, OR
- 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, November and December (UV index 2).
Average cloud cover in May
Grants Pass, OR
- Average cloud cover in May: 40
The month with the most cloud cover is March (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in May
Grants Pass, OR
- Average visibility in May: 5mi
The month with the highest visibility is August (6mi).
The months with the lowest visibility are January, February, March, April and December (4mi).
Grants Pass, Oregon, USA
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