Normal weather for Grand Junction in May
It's warm in May in Grand Junction with an average temperature of 24°C. Temperatures this month range from a low of 19°C to a high of 30°C. At night, you can expect temperatures between 6°C and 14°C.
In May, there is an average of 28 mm of precipitation, spread over 6 days. The wind speed is around 5 Bft, mostly coming from the South.
Grand Junction in May |
New York | ||
|---|---|---|---|
 Average Temperature |
24°C | 22°C | |
 High Temp |
30°C | 28°C | |
| Low Temp |
19°C | 17°C | |
 Total Precipitation |
28 mm | 105 mm | |
| Rainy Days |
6 days | 14 days | |
Start of May
The month of May starts in Grand Junction with warm temps, averaging around 24°C during the day and nights around 9°C. There’s little chance of precipitation. The weather’s mostly sunny and dry.
With the temperature difference between day and night, it’s smart to wear layers. A T-shirt, light pants or skirt, and a light jacket are great for the day. In the evening and morning, choose a light jacket, sweater or hoodie, and long pants.
Mid May
By mid-May, daytime temps stay steady at around 24°C, with nights around 10°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
Since it cools down at night, it’s a good idea to wear layers. A T-shirt, light pants or skirt, and a light jacket are great for the day. In the evening and morning, choose a light jacket, sweater or hoodie, and long pants.
End of May
By the end of May, the average daytime temperature in Grand Junction is around 27°C, while nighttime temps are about 12°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.
Because temperatures drop in the evening, wearing layers is recommended. For the daytime, light clothing like shorts or a dress, and a hat and sunglasses are perfect. In the evening and morning, choose a light jacket, sweater or hoodie, and long pants.
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UV index
The UV index is a maximum of 5 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Is May a good time to visit Grand Junction?
Looking for great weather? May is a good time to be in Grand Junction. The temperatures are nice, and there’s not too much rain.
Temperature records for Grand Junction in May
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Daily Temperature in May in Grand Junction
This chart shows the average daily high and low temperatures in May for Grand Junction, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in May in Grand Junction
The chart below shows the average daily precipitation in May for Grand Junction, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for May, you can expect about 6 days of precipitation in Grand Junction.
Daily UV Index in May in Grand Junction
This chart shows the average daily UV index in May in Grand Junction, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in May in Grand Junction Over the Years
This chart shows the average temperature in May in Grand Junction, measured in degrees Celsius, over the past few years.
Total Precipitation in May in Grand Junction Over the Years
This chart shows the average precipitation in May in Grand Junction, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily Climate in May for Grand Junction
Click on any day in May to get detailed info about the usual weather on that day in Grand Junction. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in May in Grand Junction
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Average Weather in Grand Junction by Month
Click on a month below to see detailed weather info for Grand Junction. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Grand Junction for all months at once
