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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, is a wintry winter month in Westminster, Colorado, with an average temperature fluctuating between 41.9°F (5.5°C) and 22.8°F (-5.1°C). The commencement of January brings an average high-temperature of a still icy 41.9°F (5.5°C), marking an inconsequential divergence from December. Weather in January »
Weather in February
The last month of the winter, February, is also a wintry month in Westminster, Colorado, with temperature in the range of an average low of 21.9°F (-5.6°C) and an average high of 42.1°F (5.6°C). The arrival of February denotes a barely perceptible change in the average high-temperatures to a still wintry 42.1°F (5.6°C) from January's 41.9°F (5.5°C). Weather in February »
Weather in March
The first month of the spring, March, is a fresh month in Westminster, Colorado, with an average temperature ranging between min 31.3°F (-0.4°C) and max 53.2°F (11.8°C). In March, the average high-temperature increases from a cold 42.1°F (5.6°C) in February to a cool 53.2°F (11.8°C). Weather in March »
Weather in April
April in Westminster, Colorado, is a moderate spring month, with temperature in the range of an average low of 35.6°F (2°C) and an average high of 59.7°F (15.4°C). The shift from March to April sees a slight increase in the average high-temperature, transitioning from a cool 53.2°F (11.8°C) to a moderate 59.7°F (15.4°C). Weather in April »
Weather in May
May, the last month of the spring in Westminster, is a pleasant month, with temperature in the range of an average high of 68°F (20°C) and an average low of 43.5°F (6.4°C). Westminster experiences a minor temperature shift with the start of May, with average high-temperatures moving from a moderate 59.7°F (15.4°C) in April to a pleasant 68°F (20°C). Weather in May »
Weather in June
June, the first month of the summer in Westminster, is a warm month, with temperature in the range of an average low of 55.6°F (13.1°C) and an average high of 83.1°F (28.4°C). June is characterized by a clear rise in the average high-temperature, escalating from May's pleasant 68°F (20°C) to a warm 83.1°F (28.4°C). Weather in June »
Weather in July
July is a hot summer month in Westminster, Colorado, with temperature in the range of an average low of 60.8°F (16°C) and an average high of 87.4°F (30.8°C). With average high and low temperatures of 87.4°F (30.8°C) and 60.8°F (16°C) respectively, July is Westminster's warmest month. For July, the heat index is estimated at a hot 87.8°F (31°C). Weather in July »
Weather in August
August, the last month of the summer in Westminster, is another tropical month, with temperature in the range of an average high of 86.2°F (30.1°C) and an average low of 59.5°F (15.3°C). Westminster observes a minor difference in average high-temperatures between July's 87.4°F (30.8°C) and August's 86.2°F (30.1°C). Weather in August »
Weather in September
September, the first month of the autumn in Westminster, is also a moderately hot month, with an average temperature varying between 52.7°F (11.5°C) and 78.6°F (25.9°C). A subtle change in temperatures is noted as August gives way to September, with average highs reducing from a hot 86.2°F (30.1°C) to a warm 78.6°F (25.9°C). Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in Westminster, Colorado, with temperature in the range of an average high of 63°F (17.2°C) and an average low of 39.7°F (4.3°C). October's arrival sees a clear drop in the average high-temperature, decreasing from September's moderately hot 78.6°F (25.9°C) to an enjoyable 63°F (17.2°C). Weather in October »
Weather in November
The last month of the autumn, November, is another cool month in Westminster, Colorado, with an average temperature ranging between min 30.4°F (-0.9°C) and max 51.8°F (11°C). In November, the average high-temperature goes from an enjoyable 63°F (17.2°C) in October to a cool 51.8°F (11°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Westminster, Colorado, with an average temperature ranging between max 41.2°F (5.1°C) and min 21.2°F (-6°C). December tends to be the coldest month, with temperatures averaging a daily high of 41.2°F (5.1°C) and a low of 21.2°F (-6°C). Weather in December »
Updated: Feb 10, 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 driest month in Westminster?
The months with the least rainfall in Westminster, Colorado, are January and December Rain falls for 3.3 days and accumulates 0.35" (9mm) of rain.
How many days does it rain in Westminster?
Throughout the year, there are 101.9 rainfall days, and 10.91" (277mm) of precipitation is accumulated.
When does it snow in Westminster?
Months with snowfall in Westminster are January through May, October through December.
How many days does it snow in Westminster?
In Westminster, during the entire year, snow falls for 40.4 days and aggregates up to 31.3" (795mm) of snow.
When is the lowest UV index in Westminster?
The months with the lowest UV index in Westminster, Colorado, are January, February, November and December, with an average maximum UV index of 2.
What is the most humid month in Westminster?
With an average relative humidity of 65%, February is the most humid month.
What is the month with the least sunshine in Westminster?
February has the least sunshine of the year in Westminster, Colorado, with an average of 6.7h of sunshine.
When is Daylight Saving Time (DST) in Westminster?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Westminster, 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 in Westminster?
April is the month with the most snowfall in Westminster. Snow falls for 4.3 days and accumulates 5.55" (141mm) of snow.
What is the rainiest month in Westminster?
The month with the most rainfall in Westminster is May, when the rain falls for 15.6 days and typically aggregates up to 2.05" (52mm) of precipitation.
What are the least humid months in Westminster?
The months with the lowest humidity are June and August, with an average relative humidity of 40%.
When it does not snow in Westminster?
June through September are months without snowfall.
When are the longest days in Westminster?
The month with the longest days in Westminster, Colorado, is June, with an average of 15h and 0min of daylight.
What are the months with the most sunshine in Westminster?
The months with the most sunshine in Westminster are June and July, with an average of 11.8h of sunshine.
What are the months with the highest UV index in Westminster?
The months with the highest UV index in Westminster, Colorado, are June through August, with an average maximum UV index of 6.
What are the warmest months in Westminster?
July, on average, is the warmest month, registering a high temperature of 87.4°F (30.8°C) and a low of 60.8°F (16°C).
What is the coldest month in Westminster?
In Westminster, Colorado, the average lowest temperatures are observed in December, with a high of 41.2°F (5.1°C) and a low of 21.2°F (-6°C).
What is the month with the shortest days in Westminster?
With an average of 9h and 24min of daylight, December has the shortest days of the year in Westminster.
Average temperature
Westminster, CO
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is December (41.2°F).
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is December (21.2°F).
Average pressure
Westminster, CO
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
29.99"Hg - Average pressure in April:
29.91"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
30"Hg - Average pressure in August:
30.01"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are April and June (29.91"Hg).
Average wind speed
Westminster, CO
- Average wind speed in January:
6.1mph - Average wind speed in February:
6.2mph - Average wind speed in March:
6.6mph - Average wind speed in April:
6.7mph - Average wind speed in May:
6.1mph - Average wind speed in June:
6.3mph
- Average wind speed in July:
5.9mph - Average wind speed in August:
5.8mph - Average wind speed in September:
5.8mph - Average wind speed in October:
5.9mph - Average wind speed in November:
6mph - Average wind speed in December:
5.8mph
The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest months (with the lowest average wind speed) are August, September and December (5.8mph).
Average humidity
Westminster, CO
The month with the highest relative humidity is February (65%).
The months with the lowest relative humidity are June and August (40%).
Average rainfall
Westminster, CO
- Average rainfall in January:
0.35" - Average rainfall in February:
0.63" - Average rainfall in March:
1.1" - Average rainfall in April:
1.26" - Average rainfall in May:
2.05" - Average rainfall in June:
1.06"
- Average rainfall in July:
1.46" - Average rainfall in August:
0.79" - Average rainfall in September:
0.55" - Average rainfall in October:
0.71" - Average rainfall in November:
0.59" - Average rainfall in December:
0.35"
The wettest month (with the highest rainfall) is May (2.05").
The driest months (with the least rainfall) are January and December (0.35").
Average rainfall days
Westminster, CO
- Average rainfall days in January:
3.3 days - Average rainfall days in February:
3.7 days - Average rainfall days in March:
8.2 days - Average rainfall days in April:
11.6 days - Average rainfall days in May:
15.6 days - Average rainfall days in June:
11.6 days
- Average rainfall days in July:
14.3 days - Average rainfall days in August:
11.6 days - Average rainfall days in September:
7.9 days - Average rainfall days in October:
5.7 days - Average rainfall days in November:
4 days - Average rainfall days in December:
4.4 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (3.3 days).
Average snowfall
Westminster, CO
- Average snowfall in January:
2.72" - Average snowfall in February:
5.08" - Average snowfall in March:
4.88" - Average snowfall in April:
5.55" - Average snowfall in May:
2.6" - Average snowfall in June:
0"
The month with the highest snowfall is April (5.55").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Westminster, CO
- Average snowfall days in January:
6.1 days - Average snowfall days in February:
9.4 days - Average snowfall days in March:
6 days - Average snowfall days in April:
4.3 days - Average snowfall days in May:
1.7 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.1 days - Average snowfall days in October:
2.7 days - Average snowfall days in November:
4.5 days - Average snowfall days in December:
5.6 days
The month with the highest number of snowfall days is February (9.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Westminster, 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:
7h and 0min - Average sunshine in February:
6h and 4min - Average sunshine in March:
9h and 0min - Average sunshine in April:
10h and 5min - Average sunshine in May:
11h and 1min - Average sunshine in June:
11h and 5min
- Average sunshine in July:
11h and 5min - Average sunshine in August:
11h and 4min - Average sunshine in September:
11h and 0min - Average sunshine in October:
7h and 2min - Average sunshine in November:
7h and 2min - Average sunshine in December:
7h and 0min
The months with the most sunshine are June and July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).
Average sunshine days
Westminster, CO
- Average sunshine days in January:
23.7 days - Average sunshine days in February:
17.2 days - Average sunshine days in March:
17.7 days - Average sunshine days in April:
13.4 days - Average sunshine days in May:
11.2 days - Average sunshine days in June:
12.8 days
- Average sunshine days in July:
8.8 days - Average sunshine days in August:
12.4 days - Average sunshine days in September:
17.5 days - Average sunshine days in October:
21.8 days - Average sunshine days in November:
23.6 days - Average sunshine days in December:
23.9 days
The month with the most sunshine days is December (23.9 days).
The month with the least sunshine days is July (8.8 days).
Average UV index
Westminster, CO
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Westminster, CO
The month with the most cloud cover is April (Cloud cover 26).
The month with the least cloud cover is September (Cloud cover 15).
Average visibility
Westminster, CO
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).
Westminster, Colorado, USA
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