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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, in Grand Lake, Colorado, is another subzero cold winter month, with temperature in the range of an average low of 2.5°F (-16.4°C) and an average high of 23.7°F (-4.6°C). With January's arrival, Grand Lake's weather records an average high-temperature of a still subzero cold 23.7°F (-4.6°C), marking little difference from December's 23.4°F (-4.8°C). Weather in January »
Weather in February
February, the last month of the winter in Grand Lake, is also a subzero cold month, with temperature in the range of an average high of 24.3°F (-4.3°C) and an average low of 5°F (-15°C). Grand Lake marks the onset of February with an average high-temperature of a still subzero cold 24.3°F (-4.3°C), a subtle shift from January's 23.7°F (-4.6°C). Weather in February »
Weather in March
March, the first month of the spring in Grand Lake, is a wintry month, with an average temperature fluctuating between 32.7°F (0.4°C) and 12.4°F (-10.9°C). A minor escalation in the average high-temperature is seen with the onset of March, moving from a subzero cold 24.3°F (-4.3°C) in February to an icy 32.7°F (0.4°C). Weather in March »
Weather in April
April, the same as March, is another cold spring month in Grand Lake, Colorado, with an average temperature ranging between min 18.3°F (-7.6°C) and max 38.8°F (3.8°C). As April arrives, a slight rise in the average high-temperature is observed, moving from 32.7°F (0.4°C) in March to a still cold 38.8°F (3.8°C). Weather in April »
Weather in May
May, the last month of the spring in Grand Lake, is a cool month, with an average temperature ranging between max 51.4°F (10.8°C) and min 27.5°F (-2.5°C). In May, the meteorological conditions change with the average high-temperature moving from an icy 38.8°F (3.8°C) in April to a cool 51.4°F (10.8°C). Weather in May »
Weather in June
The first month of the summer, June, is an enjoyable month in Grand Lake, Colorado, with temperature in the range of an average low of 37.6°F (3.1°C) and an average high of 66.9°F (19.4°C). The onset of June marks a clear increase in the average high-temperature, escalating from a cool 51.4°F (10.8°C) in May to a refreshing 66.9°F (19.4°C). Weather in June »
Weather in July
July in Grand Lake, Colorado, is an agreeable summer month, with an average temperature varying between 72.1°F (22.3°C) and 42.6°F (5.9°C). July registers as the month with the highest average temperatures, reaching 72.1°F (22.3°C) at its peak and 42.6°F (5.9°C) at the lowest. Weather in July »
Weather in August
The last month of the summer, August, is also an agreeable month in Grand Lake, Colorado, with an average temperature fluctuating between 70.7°F (21.5°C) and 40.8°F (4.9°C). Transitioning from July to August, Grand Lake observes an average high-temperature of a still agreeable 70.7°F (21.5°C), differing subtly from the previous month. Weather in August »
Weather in September
The first month of the autumn, September, is also an enjoyable month in Grand Lake, Colorado, with an average temperature varying between 63.7°F (17.6°C) and 36°F (2.2°C). September's onset brings a negligible change in high-temperatures, falling from a pleasant 70.7°F (21.5°C) in August to a comfortable 63.7°F (17.6°C). Weather in September »
Weather in October
October, like September, is another chilly autumn month in Grand Lake, Colorado, with an average temperature fluctuating between 46.8°F (8.2°C) and 24.3°F (-4.3°C). As Grand Lake steps into October, a marked temperature drop is observed, with the average high-temperature reducing from September's refreshing 63.7°F (17.6°C) to a chilly 46.8°F (8.2°C). Weather in October »
Weather in November
The last month of the autumn, November, is another cold month in Grand Lake, Colorado, with temperature in the range of an average high of 34°F (1.1°C) and an average low of 13.8°F (-10.1°C). Start of November brings a shift in the average high-temperature, falling from October's frosty 46.8°F (8.2°C) to an icy 34°F (1.1°C). Weather in November »
Weather in December
December, the first month of the winter in Grand Lake, is also a subzero cold month, with an average temperature ranging between min 3.6°F (-15.8°C) and max 23.4°F (-4.8°C). December is the coldest month, exhibiting average temperatures of 23.4°F (-4.8°C) at the peak and 3.6°F (-15.8°C) at the base. Weather in December »
Updated: Jul 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the most humid month?
The months with the highest humidity are January and February, with an average relative humidity of 88%.
How much does it rain?
In Grand Lake, during the entire year, the rain falls for 82.5 days and collects up to 8.19" (208mm) of precipitation.
When does it snow?
Months with snowfall are January through June, September through December.
How much does it snow?
Throughout the year, there are 90.8 snowfall days, and 39.13" (994mm) of snow is accumulated.
What is the month with the least sunshine?
The month with the least sunshine is February, with an average of 5.6h of sunshine.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from MST to MDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from MDT to MST.
What is the snowiest month?
April is the month with the most snowfall. Snow falls for 11.8 days and accumulates 6.81" (173mm) of snow.
What is the least humid month?
With an average relative humidity of 49%, June is the least humid month.
When are the longest days?
With an average of 15h and 0min of daylight, June has the longest days of the year in Grand Lake.
What are the months with the highest UV index?
June through August, with an average maximum UV index of 4, are months with the highest UV index.
What part of the year is the hottest?
With an average high-temperature of 72.1°F (22.3°C) and an average low-temperature of 42.6°F (5.9°C), July is the warmest month.
What is the wettest month?
The month with the most rainfall in Grand Lake is July, when the rain falls for 13.5 days and typically aggregates up to 1.06" (27mm) of precipitation.
When it does not snow?
July and August are months without snowfall.
What month has the most sunshine?
With an average of 11.8h of sunshine, August has the most sunshine of the year.
What is the driest month?
September, November and December are months with the least rain when the rain falls for 6.4 days and typically aggregates up to 0.39" (10mm) of rain.
What time of the year is the coldest?
December is the month that records the lowest temperatures, with averages ranging from a high of 23.4°F (-4.8°C) to a low of 3.6°F (-15.8°C).
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 24min of daylight.
What is the month with the lowest UV index?
December is the month with the lowest UV index, with an average maximum UV index of 1.
Average temperature
Grand Lake, CO
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).
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
Grand Lake, CO
- Average pressure in January:
30.2"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.02"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
30.03"Hg - Average pressure in August:
30.03"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.16"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
Grand Lake, CO
- Average wind speed in January:
6.3mph - Average wind speed in February:
6.9mph - Average wind speed in March:
6.6mph - Average wind speed in April:
6.8mph - Average wind speed in May:
6.5mph - Average wind speed in June:
7mph
- Average wind speed in July:
5.4mph - Average wind speed in August:
5.4mph - Average wind speed in September:
5.8mph - Average wind speed in October:
6.2mph - Average wind speed in November:
6.3mph - Average wind speed in December:
5.9mph
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
Grand Lake, CO
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is June (49%).
Average rainfall
Grand Lake, CO
- Average rainfall in January:
0.51" - Average rainfall in February:
0.75" - Average rainfall in March:
0.75" - Average rainfall in April:
1.02" - Average rainfall in May:
0.94" - Average rainfall in June:
0.94"
- Average rainfall in July:
1.06" - Average rainfall in August:
0.55" - Average rainfall in September:
0.39" - Average rainfall in October:
0.47" - Average rainfall in November:
0.39" - Average rainfall in December:
0.39"
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
Grand Lake, CO
- Average rainfall days in January:
5.3 days - Average rainfall days in February:
5.3 days - Average rainfall days in March:
6.8 days - Average rainfall days in April:
7.3 days - Average rainfall days in May:
8.8 days - Average rainfall days in June:
8.3 days
- Average rainfall days in July:
13.5 days - Average rainfall days in August:
9.2 days - Average rainfall days in September:
6.4 days - Average rainfall days in October:
3.5 days - Average rainfall days in November:
3.3 days - Average rainfall days in December:
4.8 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
Grand Lake, CO
- Average snowfall in January:
4.02" - Average snowfall in February:
6.14" - Average snowfall in March:
6.02" - Average snowfall in April:
6.81" - Average snowfall in May:
4.41" - 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
Grand Lake, CO
- Average snowfall days in January:
12 days - Average snowfall days in February:
13.8 days - Average snowfall days in March:
12.4 days - Average snowfall days in April:
11.8 days - Average snowfall days in May:
9.2 days - Average snowfall days in June:
2.5 days
- Average snowfall days in July:
0.1 days - Average snowfall days in August:
0.1 days - Average snowfall days in September:
1.4 days - Average snowfall days in October:
7.3 days - Average snowfall days in November:
8.2 days - Average snowfall days in December:
12 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 / Average sunshine
Grand Lake, CO
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 2min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 2min
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 January:
5h and 5min - Average sunshine in February:
5h and 4min - Average sunshine in March:
7h and 5min - Average sunshine in April:
9h and 3min - Average sunshine in May:
10h and 5min - Average sunshine in June:
11h and 4min
- Average sunshine in July:
11h and 4min - Average sunshine in August:
11h and 5min - Average sunshine in September:
11h and 1min - Average sunshine in October:
7h and 1min - Average sunshine in November:
6h and 5min - Average sunshine in December:
5h and 5min
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
Grand Lake, CO
- Average sunshine days in January:
19 days - Average sunshine days in February:
14 days - Average sunshine days in March:
15.9 days - Average sunshine days in April:
14.7 days - Average sunshine days in May:
14.6 days - Average sunshine days in June:
15.7 days
- Average sunshine days in July:
13.1 days - Average sunshine days in August:
17 days - Average sunshine days in September:
19.8 days - Average sunshine days in October:
21 days - Average sunshine days in November:
21.4 days - Average sunshine days in December:
18.8 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
Grand Lake, CO
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
Grand Lake, CO
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
Grand Lake, CO
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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