June weather forecastLongmont, CO
June
Weather in June
June brings with it the start of the summer season and warmer temperatures in Longmont. The transition from spring to summer is marked with decreased rainfall, registering at 0.94" (24mm) distributed over 11.2 days. It's an ideal period to indulge in outdoor excursions as June boasts extended daylight hours and sunny weather, thrilling both residents and visitors. The city flourishes under the sun-soaked season, providing an excellent opportunity for community events and social gatherings.Temperature
The arrival of June signals a clear increase in the average high-temperature, soaring from a comfortable 66.4°F (19.1°C) in May to a warm 81.1°F (27.3°C). A dramatic downturn marks the June nights in Longmont, with lows averaging at a fresh 54.3°F (12.4°C).Heat index
June's heat index is evaluated at 80.6°F (27°C). Persistent activity under exposure might lead to a feeling of weariness, with subsequent heat cramps.Heat index values are typically calculated for conditions of shade and a light breeze. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
Humidity
In June, the average relative humidity is 43%.Rainfall
In Longmont, in June, it is raining for 11.2 days, with typically 0.94" (24mm) of accumulated precipitation. Throughout the year, in Longmont, there are 105.4 rainfall days, and 10.43" (265mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Longmont.Daylight
With an average of 15h and 0min of daylight, June has the longest days of the year.On the first day of June in Longmont, Colorado, sunrise is at 5:32 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:33 pm MDT.
Sunshine
The month with the most sunshine is June, with an average of 11.9h of sunshine.UV index
In Longmont, the average daily maximum UV index in June is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The average daily UV index of 5 in June transforms into the following instructions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Longmont, CO
- Average high temperature in June: 81.1°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is December (39°F).
- Average low temperature in June: 54.3°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is December (19.9°F).
Average pressure in June
Longmont, CO
- Average pressure in June: 29.91"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are April and June (29.91"Hg).
Average wind speed in June
Longmont, CO
- Average wind speed in June: 6mph
The windiest months (with the highest average wind speed) are March and April (6.6mph).
The calmest months (with the lowest average wind speed) are August and September (5.6mph).
Average humidity in June
Longmont, CO
- Average humidity in June: 43%
The month with the highest relative humidity is February (66%).
The month with the lowest relative humidity is August (42%).
Average rainfall in June
Longmont, CO
- Average rainfall in June: 0.94"
The wettest month (with the highest rainfall) is May (1.69").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in June
Longmont, CO
- Average rainfall days in June: 11.2 days
The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is January (3.5 days).
Average snowfall in June
Longmont, CO
- Average snowfall in June: 0"
The month with the highest snowfall is November (4.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in June
Longmont, CO
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is February (7.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in June /
Average sunshine in June
Longmont, CO
- Average daylight in June: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in June: 11h and 54min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 48min).
Average sunshine days in June
Longmont, CO
- Average sunshine days in June: 15.1 days
The month with the most sunshine days is January (23.4 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in June
Longmont, CO
- Average UV index in June: 5
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in June
Longmont, CO
- Average cloud cover in June: 16
The months with the most cloud cover are April and May (Cloud cover 26).
The months with the least cloud cover are June and September (Cloud cover 16).
Average visibility in June
Longmont, CO
- Average visibility in June: 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).
