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
Jamieson's transition into May is marked by a rise in the average high-temperature, advancing from a mild 59.5°F (15.3°C) in April to a pleasant 70°F (21.1°C). May nights see a notable contrast from daytime highs, with the nighttime temperature averaging at a frosty 47.1°F (8.4°C).Humidity
In May, the average relative humidity is 46%.Rainfall
The wettest months are March and May, with an average 0.39" (10mm) of rainfall.Snowfall
In Jamieson, snow does not fall in May through October.Daylight
The average length of the day in May is 14h and 47min.On the first day of the month, sunrise is at 6:39 am and sunset at 8:54 pm. On the last day of May, sunrise is at 6:09 am and sunset at 9:25 pm MDT.
Sunshine
The average sunshine in May is 11.3h.UV index
In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The UV index of 5 during May leads to these advisories:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the average humidity in May?
What is the rainiest 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 long on average sun shines in May?
How high is the UV index in May?
Average temperature in May
Jamieson, OR
- Average high temperature in May: 70°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is December (34.3°F).
- Average low temperature in May: 47.1°F
The month with the highest average low temperature is August (63.5°F).
The coldest months (with the lowest average low temperature) are January and December (22.1°F).
Average pressure in May
Jamieson, OR
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is January (30.24"Hg).
The month with the lowest atmospheric pressure is August (29.92"Hg).
Average wind speed in May
Jamieson, OR
- Average wind speed in May: 6.9mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is January (3.9mph).
Average humidity in May
Jamieson, OR
- Average humidity in May: 46%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are July and August (28%).
Average rainfall in May
Jamieson, OR
- Average rainfall in May: 0.39"
The wettest months (with the highest rainfall) are March and May (0.39").
The driest months (with the least rainfall) are July and August (0.08").
Average rainfall days in May
Jamieson, OR
- Average rainfall days in May: 5.4 days
The month with the highest number of rainy days is March (8.4 days).
The month with the least rainy days is August (2.3 days).
Average snowfall in May
Jamieson, OR
- Average snowfall in May: 0"
The month with the highest snowfall is December (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Jamieson, OR
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is December (6.1 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
Jamieson, OR
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in May: 11h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in May
Jamieson, OR
- Average sunshine days in May: 23.8 days
The month with the most sunshine days is July (26.8 days).
The month with the least sunshine days is March (20.1 days).
Average UV index in May
Jamieson, OR
- Average UV index in May: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Jamieson, OR
- Average cloud cover in May: 24
The months with the most cloud cover are January and December (Cloud cover 43).
The months with the least cloud cover are July and August (Cloud cover 8).
Average visibility in May
Jamieson, OR
- 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, February and December (5mi).
Jamieson, Oregon, USA
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