June weather forecast
Granby, CO

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Weather in June

June, in Granby, Colorado, stands as the inception of the summer season. This month, being the hottest, boasts a maximum average temperature soaring to 67.5°F (19.7°C). Sunshine prevails for most of the day, ensuring longer daylight hours and reducing humidity levels. Nevertheless, the city experiences a decline in rainfall, further augmenting the onset of the hot climate. Correspondingly, the wind speed sees a mild rise, offering a gentle breeze to the warm days.

Temperature

Witnessing a clear upsurge, the average high-temperature during June escalates from May's fresh 52.3°F (11.3°C) to an enjoyable 67.5°F (19.7°C). In June, Granby experiences a significant drop from daily zeniths to an average nighttime temperature of 38.5°F (3.6°C).

Humidity

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

Rainfall

In Granby, during June, the rain falls for 8.7 days and regularly aggregates up to 1.26" (32mm) of precipitation. In Granby, during the entire year, the rain falls for 96.3 days and collects up to 11.54" (293mm) of precipitation.

Snowfall

January through June, August through December are months with snowfall. June is the last month it regularly snows. During 3.4 snowfall days, in June, Granby aggregates 2.95" (75mm) of snow. Throughout the year, there are 110.7 snowfall days, and 59.88" (1521mm) of snow is accumulated.

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 5:36 am and sunset at 8:27 pm. On the last day of June, sunrise is at 5:38 am and sunset at 8:36 pm MDT.

Sunshine

In June, the average sunshine is 11.7h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The UV index of 4 during June translates into the following guidance:
Take precautions - Protection against sun damage is advised. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Updated: Jul 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in June?

Granby in June has an average high-temperature of 67.5°F (19.7°C) and an average low-temperature of 38.5°F (3.6°C).

What is the least humid month?

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

What is the average humidity in June?

In June, the average relative humidity is 49%.

How many days does it rain in June in Granby?

In Granby, Colorado, during June, the rain falls for 8.7 days and regularly aggregates up to 1.26" (32mm) of precipitation.

What is the last month it snows?

June is the last month it regularly snows. During 3.4 snowfall days, in June, Granby aggregates 2.95" (75mm) of snow.

When are the longest days?

June has the longest days of the year, with an average of 15h and 0min of daylight.

How many hours of daylight does Granby have in June?

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

When are sunrise and sunset in June in Granby?

On the first day of June, sunrise is at 5:36 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:36 pm MDT.

How long on average sun shines in June in Granby?

The average sunshine duration in June is 11.7h.

What is the month with the highest UV index?

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

How high is the UV index in June?

In June, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health 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
Granby, CO

Average temperature in June - Granby, CO
  • Average high temperature in June: 67.5°F

The warmest month (with the highest average high temperature) is July (72.3°F).
The month with the lowest average high temperature is December (24.6°F).

  • Average low temperature in June: 38.5°F

The month with the highest average low temperature is July (43.7°F).
The coldest month (with the lowest average low temperature) is January (4.3°F).

Average pressure in June
Granby, CO

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

The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are April, May and June (29.93"Hg).

Average wind speed in June
Granby, CO

Average wind speed in June - Granby, CO
  • Average wind speed in June: 6.4mph

The windiest month (with the highest average wind speed) is February (7mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in June
Granby, CO

Average humidity in June - Granby, CO
  • Average humidity in June: 49%

The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is June (49%).

Average rainfall in June
Granby, CO

Average rainfall in June - Granby, CO
  • Average rainfall in June: 1.26"

The wettest month (with the highest rainfall) is May (1.73").
The driest month (with the least rainfall) is August (0.55").

Average rainfall days in June
Granby, CO

Average rainfall days in June - Granby, CO
  • Average rainfall days in June: 8.7 days

The month with the highest number of rainy days is May (12.8 days).
The month with the least rainy days is October (4.9 days).

Average snowfall in June
Granby, CO

Average snowfall in June - Granby, CO
  • Average snowfall in June: 2.95"

The month with the highest snowfall is April (10.94").
The month with the least snowfall is July (0").

Average snowfall days in June
Granby, CO

Average snowfall days in June - Granby, CO
  • Average snowfall days in June: 3.4 days

The month with the highest number of snowfall days is February (16.1 days).
The month with the least snowfall days is July (0 days).

Average daylight in June /
Average sunshine in June
Granby, CO

Average daylight in June / Average sunshine in June - Granby, 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 months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 12min).

Average sunshine days in June
Granby, CO

Average sunshine days in June - Granby, CO
  • Average sunshine days in June: 14 days

The months with the most sunshine days are September and November (19.5 days).
The month with the least sunshine days is May (9.5 days).

Average UV index in June
Granby, CO

Average UV index in June - Granby, CO
  • Average UV index in June: 4

The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).

Average cloud cover in June
Granby, CO

Average cloud cover in June - Granby, CO
  • Average cloud cover in June: 16

The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is September (Cloud cover 15).

Average visibility in June
Granby, CO

Average visibility in June - Granby, 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, March, April and December (5mi).

Granby, Colorado, USA

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