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 onset of May brings a rise in the average high-temperature, elevating from a cool 54.9°F (12.7°C) in April to a comfortable 64°F (17.8°C). The average temperature drops to a frosty 44.2°F (6.8°C) during the night in the month of May.Humidity
The average relative humidity in May is 62%.Rainfall
In May, in Ukiah, the rain falls for 14.3 days. Throughout May, 1.61" (41mm) of precipitation is accumulated. In Ukiah, during the entire year, the rain falls for 145.3 days and collects up to 16.69" (424mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. May is the last month it regularly snows in Ukiah. During 0.2 snowfall days, in May, Ukiah aggregates 0.04" (1mm) of snow. Throughout the year, in Ukiah, Oregon, there are 30.7 snowfall days, and 15.51" (394mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 53min.On the first day of May, sunrise is at 5:43 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 5:11 am and sunset at 8:35 pm PDT.
Sunshine
In Ukiah, the average sunshine in May is 10.6h.UV index
In Ukiah, Oregon, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: In May, the maximum UV index of 4 translates into these guidelines:
Act with care - The need to guard against sun damage is communicated. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Frequently asked questions
What are May temperatures in Ukiah?
What is the average humidity in May in Ukiah?
How many days does it rain in May in Ukiah?
What is the last month it snows in Ukiah?
How many hours of daylight does Ukiah have in May?
What time are sunrise and sunset in May in Ukiah?
How long on average sun shines in May in Ukiah?
What is the UV index intensity in May in Ukiah?
Average temperature in May
Ukiah, OR
- Average high temperature in May: 64°F
The warmest months (with the highest average high temperature) are July and August (81.5°F).
The month with the lowest average high temperature is December (36.7°F).
- Average low temperature in May: 44.2°F
The month with the highest average low temperature is August (59.5°F).
The coldest month (with the lowest average low temperature) is December (25.7°F).
Average pressure in May
Ukiah, OR
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in May
Ukiah, OR
- Average wind speed in May: 7.3mph
The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is September (6.2mph).
Average humidity in May
Ukiah, OR
- Average humidity in May: 62%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (41%).
Average rainfall in May
Ukiah, OR
- Average rainfall in May: 1.61"
The wettest month (with the highest rainfall) is March (2.2").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in May
Ukiah, OR
- Average rainfall days in May: 14.3 days
The month with the highest number of rainy days is March (18.4 days).
The month with the least rainy days is August (3.5 days).
Average snowfall in May
Ukiah, OR
- Average snowfall in May: 0.04"
The month with the highest snowfall is February (5.24").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Ukiah, OR
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is December (8.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Ukiah, OR
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in May: 10h and 4min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in May
Ukiah, OR
- Average sunshine days in May: 13.7 days
The month with the most sunshine days is August (24.8 days).
The month with the least sunshine days is February (8.7 days).
Average UV index in May
Ukiah, 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
Ukiah, OR
- Average cloud cover in May: 30
The months with the most cloud cover are January and February (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in May
Ukiah, 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).
Ukiah, Oregon, USA
Weather forecast for your location
2. Allow the app to use your location
