June weather forecast
Grand Lake, CO

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Weather in June

June, the first month of the summer in Grand Lake, is an enjoyable month, with an average temperature varying between 66.9°F (19.4°C) and 37.6°F (3.1°C).

Temperature

The shift into June brings a noticeable increase in the average high-temperature, soaring from a fresh 51.4°F (10.8°C) in May to a refreshing 66.9°F (19.4°C). Grand Lake's June nights represent a significant downturn from the day's heat, with an average temperature of 37.6°F (3.1°C).

Humidity

June is the least humid month, with an average relative humidity of 49%.

Rainfall

In Grand Lake, during June, the rain falls for 8.3 days and regularly aggregates up to 0.94" (24mm) of precipitation. Throughout the year, in Grand Lake, there are 82.5 rainfall days, and 8.19" (208mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through June, September through December. June is the last month it regularly snows. During 2.5 snowfall days, in June, Grand Lake aggregates 1.93" (49mm) of snow. In Grand Lake, during the entire year, snow falls for 90.8 days and aggregates up to 39.13" (994mm) of snow.

Daylight

The month with the longest days is June, with an average of 15h and 0min of daylight.
On the first day of the month, sunrise is at 5:35 am and sunset at 8:27 pm. On the last day of June, sunrise is at 5:37 am and sunset at 8:37 pm MDT.

Sunshine

The average sunshine in June is 11.7h.

UV index

June through August, with an average maximum UV index of 4, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 4 during June leads to these advisories:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average June temperature?

In Grand Lake, in June, the average high-temperature is 66.9°F (19.4°C), and the average low-temperature is 37.6°F (3.1°C).

What is the least humid month in Grand Lake?

The least humid month is June, with an average relative humidity of 49%.

What is the average humidity in June?

In Grand Lake, Colorado, the average relative humidity in June is 49%.

How much does it rain in Grand Lake in June?

In Grand Lake, during June, the rain falls for 8.3 days and regularly aggregates up to 0.94" (24mm) of precipitation.

What is the last month it snows?

June is the last month it regularly snows. During 2.5 snowfall days, in June, Grand Lake aggregates 1.93" (49mm) of snow.

When are the longest days?

The month with the longest days is June, with an average of 15h and 0min of daylight.

How many hours of daylight does Grand Lake have in June?

In June, the average day length is 14h and 59min.

When is the sunrise / sunset in June?

On the first day of June, sunrise is at 5:35 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:37 pm MDT.

How long on average sun shines in June?

In June, the average sunshine duration is 11.7h.

When is the highest UV index?

The months with the highest UV index are June through August, with an average maximum UV index of 4.

What is the UV index reading in June?

The average daily maximum UV index in June is 4. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Grand Lake, CO

Average temperature in June - Grand Lake, CO
  • Average high temperature in June: 66.9°F

The warmest month (with the highest average high temperature) is July (72.1°F).
The month with the lowest average high temperature is December (23.4°F).

  • Average low temperature in June: 37.6°F

The month with the highest average low temperature is July (42.6°F).
The coldest month (with the lowest average low temperature) is January (2.5°F).

Average pressure in June
Grand Lake, CO

Average pressure in June - Grand Lake, CO
  • Average pressure in June: 29.93"Hg

The month with the highest atmospheric pressure is January (30.2"Hg).
The months with the lowest atmospheric pressure are April, May and June (29.93"Hg).

Average wind speed in June
Grand Lake, CO

Average wind speed in June - Grand Lake, CO
  • Average wind speed in June: 7mph

The windiest month (with the highest average wind speed) is June (7mph).
The calmest months (with the lowest average wind speed) are July and August (5.4mph).

Average humidity in June
Grand Lake, CO

Average humidity in June - Grand Lake, CO
  • Average humidity in June: 49%

The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is June (49%).

Average rainfall in June
Grand Lake, CO

Average rainfall in June - Grand Lake, CO
  • Average rainfall in June: 0.94"

The wettest month (with the highest rainfall) is July (1.06").
The driest months (with the least rainfall) are September, November and December (0.39").

Average rainfall days in June
Grand Lake, CO

Average rainfall days in June - Grand Lake, CO
  • Average rainfall days in June: 8.3 days

The month with the highest number of rainy days is July (13.5 days).
The month with the least rainy days is November (3.3 days).

Average snowfall in June
Grand Lake, CO

Average snowfall in June - Grand Lake, CO
  • Average snowfall in June: 1.93"

The month with the highest snowfall is April (6.81").
The months with the least snowfall are July and August (0").

Average snowfall days in June
Grand Lake, CO

Average snowfall days in June - Grand Lake, CO
  • Average snowfall days in June: 2.5 days

The month with the highest number of snowfall days is February (13.8 days).
The months with the least snowfall days are July and August (0.1 days).

Average daylight in June /
Average sunshine in June
Grand Lake, CO

Average daylight in June / Average sunshine in June - Grand Lake, 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 4min

The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 36min).

Average sunshine days in June
Grand Lake, CO

Average sunshine days in June - Grand Lake, CO
  • Average sunshine days in June: 15.7 days

The month with the most sunshine days is November (21.4 days).
The month with the least sunshine days is July (13.1 days).

Average UV index in June
Grand Lake, CO

Average UV index in June - Grand Lake, CO
  • Average UV index in June: 4

The months with the highest UV index are June, July and August (UV index 4).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in June
Grand Lake, CO

Average cloud cover in June - Grand Lake, CO
  • Average cloud cover in June: 16

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is September (Cloud cover 15).

Average visibility in June
Grand Lake, CO

Average visibility in June - Grand Lake, CO
  • Average visibility in June: 6mi

The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).

Grand Lake, Colorado, USA

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