June weather forecastSan Luis, CO

June

Weather in June

June, the first month of the summer in San Luis, is a warm month, with an average temperature fluctuating between 45.5°F (7.5°C) and 74.7°F (23.7°C).

Temperature

The beginning of June signals a rise in the average high-temperature, moving from a refreshing 61.5°F (16.4°C) in May to a moderately hot 74.7°F (23.7°C). San Luis endures a clear shift from daytime heat to a mean low-temperature of 45.5°F (7.5°C) during June nights.

Humidity

With an average relative humidity of 38%, June is the least humid month.

Rainfall

In San Luis, in June, it is raining for 7.5 days, with typically 0.75" (19mm) of accumulated precipitation. In San Luis, during the entire year, the rain falls for 72.2 days and collects up to 8.82" (224mm) of precipitation.

Snowfall

January through June, September through December are months with snowfall in San Luis. June is the last month it regularly snows. During 0.3 snowfall days, in June, San Luis aggregates 0.04" (1mm) of snow. In San Luis, during the entire year, snow falls for 57.6 days and aggregates up to 28.58" (726mm) of snow.

Daylight

June has the longest days of the year, with an average of 14h and 42min of daylight.
On the first day of the month, sunrise is at 5:42 am and sunset at 8:16 pm. On the last day of June, sunrise is at 5:45 am and sunset at 8:26 pm MDT.

Sunshine

With an average of 11.8h of sunshine, June has the most sunshine of the year.

UV index

June through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: In June, a daily maximum UV index of 5 leads to the following instructions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Updated: Jul 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

June temperatures vary between a high-temperature of 74.7°F (23.7°C) and a low-temperature of 45.5°F (7.5°C).

June is the least humid month, with an average relative humidity of 38%.

In June, the average relative humidity is 38%.

In San Luis, in June, it is raining for 7.5 days, with typically 0.75" (19mm) of accumulated precipitation.

June is the last month it regularly snows. During 0.3 snowfall days, in June, San Luis aggregates 0.04" (1mm) of snow.

June has the longest days of the year, with an average of 14h and 42min of daylight.

In June, the average day length is 14h and 41min.

In June, on the first day of the month, sunrise is at 5:42 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:26 pm MDT.

June has the most sunshine of the year in San Luis, with an average of 11.8h of sunshine.

In June, the average sunshine duration is 11.8h.

June through August, with an average maximum UV index of 5, are months with the highest UV index in San Luis, Colorado.

The average daily maximum UV index in June is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
San Luis, CO

  • Average high temperature in June: 74.7°F

The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in June: 45.5°F

The month with the highest average low temperature is July (50.2°F).
The coldest month (with the lowest average low temperature) is January (9.3°F).

Average pressure in June
San Luis, CO

  • Average pressure in June: 29.93"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is April (29.89"Hg).

Average wind speed in June
San Luis, CO

  • Average wind speed in June: 8.3mph

The windiest months (with the highest average wind speed) are April and May (8.9mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).

Average humidity in June
San Luis, CO

  • Average humidity in June: 38%

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is June (38%).

Average rainfall in June
San Luis, CO

  • Average rainfall in June: 0.75"

The wettest month (with the highest rainfall) is July (1.61").
The driest month (with the least rainfall) is November (0.43").

Average rainfall days in June
San Luis, CO

  • Average rainfall days in June: 7.5 days

The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is November (1.3 days).

Average snowfall in June
San Luis, CO

  • Average snowfall in June: 0.04"

The month with the highest snowfall is March (5.55").
The months with the least snowfall are July and August (0").

Average snowfall days in June
San Luis, CO

  • Average snowfall days in June: 0.3 days

The month with the highest number of snowfall days is February (10.1 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in June /
Average sunshine in June
San Luis, CO

  • Average daylight in June: 14h and 42min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in June: 11h and 48min

The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 6h and 30min).

Average sunshine days in June
San Luis, CO

  • Average sunshine days in June: 20.2 days

The month with the most sunshine days is October (24.1 days).
The month with the least sunshine days is July (13.3 days).

Average UV index in June
San Luis, 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, March, October, November and December (UV index 2).

Average cloud cover in June
San Luis, CO

  • Average cloud cover in June: 14

The month with the most cloud cover is January (Cloud cover 31).
The months with the least cloud cover are June and October (Cloud cover 14).

Average visibility in June
San Luis, CO

  • Average visibility in June: 6mi

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