June weather forecast
Jamestown, CO

Share

Weather in June

The first month of the summer, June, is a moderately hot month in Jamestown, Colorado, with temperature in the range of an average low of 50°F (10°C) and an average high of 76.6°F (24.8°C).

Temperature

June's onset witnesses a marked shift in the average high-temperature, moving from a refreshing 61°F (16.1°C) in May to a moderately hot 76.6°F (24.8°C). In June, Jamestown experiences a significant drop from daily zeniths to an average nighttime temperature of 50°F (10°C).

Humidity

June, August and September, with an average relative humidity of 45%, are the least humid months.

Rainfall

In June, the rain falls for 13.4 days. Throughout June, 1.5" (38mm) of precipitation is accumulated. In Jamestown, Colorado, during the entire year, the rain falls for 117.3 days and collects up to 14.17" (360mm) of precipitation.

Snowfall

In Jamestown, snow does not fall in June through September.

Daylight

June has the longest days of the year, with an average of 15h and 0min of daylight.
On the first day of June, sunrise is at 5:34 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 8:34 pm MDT.

Sunshine

The months with the most sunshine are June and July, with an average of 11.7h of sunshine.

UV index

June through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: The UV index of 5 in June translates into these instructions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.

Frequently asked questions

What is the usual temperature for Jamestown in June?

In June, in Jamestown, the average high-temperature is 76.6°F (24.8°C), and the average low-temperature is 50°F (10°C).

What are the least humid months?

June, August and September, with an average relative humidity of 45%, are the least humid months.

What is the average humidity in June?

The average relative humidity in June is 45%.

How many days does it rain in June?

In Jamestown, during June, the rain falls for 13.4 days and regularly aggregates up to 1.5" (38mm) of precipitation.

When it does not snow?

In Jamestown, snow does not fall in June through September.

Does it snow in June?

In June, it doesn't snow. May is the latest month when it typically snows.

When are the longest days?

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

What is the average length of the day in June in Jamestown?

The average day length in June is 14h and 59min.

When are sunrise and sunset in June in Jamestown?

In June, on the first day of the month, sunrise is at 5:34 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 8:34 pm MDT.

What is the month with the most sunshine?

The months with the most sunshine are June and July, with an average of 11.7h of sunshine.

How many hours of sunshine does Jamestown have in June?

In June, the average sunshine duration is 11.7h.

What is the month with the highest UV index?

The months with the highest UV index are June through August, with an average maximum UV index of 5.

What is the UV index reading in June?

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

Average temperature in June
Jamestown, CO

Average temperature in June - Jamestown, CO
  • Average high temperature in June: 76.6°F

The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is December (35.2°F).

  • Average low temperature in June: 50°F

The month with the highest average low temperature is July (55.2°F).
The coldest month (with the lowest average low temperature) is February (18°F).

Average pressure in June
Jamestown, CO

Average pressure in June - Jamestown, CO
  • Average pressure in June: 29.92"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are April, May and June (29.92"Hg).

Average wind speed in June
Jamestown, CO

Average wind speed in June - Jamestown, CO
  • Average wind speed in June: 6mph

The windiest month (with the highest average wind speed) is January (7.3mph).
The calmest months (with the lowest average wind speed) are May, July, August and September (5.7mph).

Average humidity in June
Jamestown, CO

Average humidity in June - Jamestown, CO
  • Average humidity in June: 45%

The month with the highest relative humidity is February (70%).
The months with the lowest relative humidity are June, August and September (45%).

Average rainfall in June
Jamestown, CO

Average rainfall in June - Jamestown, CO
  • Average rainfall in June: 1.5"

The wettest month (with the highest rainfall) is May (2.48").
The driest month (with the least rainfall) is January (0.39").

Average rainfall days in June
Jamestown, CO

Average rainfall days in June - Jamestown, CO
  • Average rainfall days in June: 13.4 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (3.3 days).

Average snowfall in June
Jamestown, CO

Average snowfall in June - Jamestown, CO
  • Average snowfall in June: 0"

The month with the highest snowfall is April (7.76").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in June
Jamestown, CO

Average snowfall days in June - Jamestown, CO
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in June / Average sunshine in June - Jamestown, 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 June and July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).

Average sunshine days in June
Jamestown, CO

Average sunshine days in June - Jamestown, CO
  • Average sunshine days in June: 14.3 days

The month with the most sunshine days is January (22.2 days).
The month with the least sunshine days is July (9.9 days).

Average UV index in June
Jamestown, CO

Average UV index in June - Jamestown, CO
  • Average UV index in June: 5

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in June
Jamestown, CO

Average cloud cover in June - Jamestown, CO
  • Average cloud cover in June: 17

The months with the most cloud cover are April and May (Cloud cover 28).
The month with the least cloud cover is September (Cloud cover 16).

Average visibility in June
Jamestown, CO

Average visibility in June - Jamestown, 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).

Jamestown, Colorado, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location