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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 Arvada, Colorado, with an average temperature ranging between max 40.6°F (4.8°C) and min 21.6°F (-5.8°C). January records an average high-temperature of a still wintry 40.6°F (4.8°C), indicating a minor variation from the preceding month. Weather in January »
Weather in February
The last month of the winter, February, is another cold month in Arvada, Colorado, with an average temperature fluctuating between 40.1°F (4.5°C) and 20.7°F (-6.3°C). The advent of February denotes an average high-temperature of a still cold 40.1°F (4.5°C), subtly different from January's 40.6°F (4.8°C). Weather in February »
Weather in March
March, the first month of the spring in Arvada, is a cool month, with temperature in the range of an average high of 51.4°F (10.8°C) and an average low of 29.8°F (-1.2°C). The arrival of March brings a temperature shift, with the average high-temperature escalating from an icy 40.1°F (4.5°C) in February to a fresh 51.4°F (10.8°C). Weather in March »
Weather in April
April is a mild spring month in Arvada, Colorado, with an average temperature fluctuating between 57.7°F (14.3°C) and 34.2°F (1.2°C). With the beginning of April, Arvada's average high-temperature sees a minor increase, transitioning from a fresh 51.4°F (10.8°C) in March to a moderate 57.7°F (14.3°C). Weather in April »
Weather in May
The last month of the spring, May, is an enjoyable month in Arvada, Colorado, with an average temperature ranging between min 42.8°F (6°C) and max 65.8°F (18.8°C). As Arvada, Colorado, welcomes May, the average high-temperature sees a modest rise, transitioning from a refreshing 57.7°F (14.3°C) in April to an enjoyable 65.8°F (18.8°C). Weather in May »
Weather in June
June, the first month of the summer in Arvada, is a moderately hot month, with an average temperature varying between 54.7°F (12.6°C) and 81.1°F (27.3°C). As Arvada transitions into June, a marked increase in the average high-temperature is observed, rising from a refreshing 65.8°F (18.8°C) in May to a warm 81.1°F (27.3°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Arvada, Colorado, with an average temperature ranging between max 85.1°F (29.5°C) and min 59.5°F (15.3°C). In Arvada, the peak temperatures are generally noted in July, averaging a high of 85.1°F (29.5°C) and a low of 59.5°F (15.3°C). During July, the heat index is estimated at a hot 86°F (30°C). Weather in July »
Weather in August
August, the last month of the summer in Arvada, is another warm month, with an average temperature varying between 83.8°F (28.8°C) and 58.5°F (14.7°C). As August takes hold, the average high-temperature is a still moderately hot 83.8°F (28.8°C), nearly mirroring that of the previous month. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Arvada, Colorado, with an average temperature fluctuating between 76.6°F (24.8°C) and 51.4°F (10.8°C). Transition into September subtly marks a drop in the average high-temperature, moderately moving from a moderately hot 83.8°F (28.8°C) in August to a still warm 76.6°F (24.8°C). Weather in September »
Weather in October
October, the same as September, is another enjoyable autumn month in Arvada, Colorado, with an average temperature fluctuating between 61.3°F (16.3°C) and 38.3°F (3.5°C). October's arrival witnesses a distinct temperature drop, receding from September's moderately hot 76.6°F (24.8°C) to a comfortable 61.3°F (16.3°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a fresh month in Arvada, Colorado, with an average temperature varying between 50.5°F (10.3°C) and 28.9°F (-1.7°C). November's arrival correlates with a reduction in the average high-temperature, down from a comfortable 61.3°F (16.3°C) in October to a cool 50.5°F (10.3°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Arvada, Colorado, with temperature in the range of an average low of 20.7°F (-6.3°C) and an average high of 39.6°F (4.2°C). December is the coldest month, with an average high-temperature of 39.6°F (4.2°C) and an average low-temperature of 20.7°F (-6.3°C). Weather in December »
Updated: Jul 27, 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?
January is the month with the least rainfall. Rain falls for 4.3 days and accumulates 0.35" (9mm) of precipitation.
How much does it rain?
In Arvada, during the entire year, the rain falls for 95 days and collects up to 10.08" (256mm) of precipitation.
When does it snow?
January through May, October through December are months with snowfall.
How much does it snow?
Throughout the year, in Arvada, there are 40.9 snowfall days, and 32.17" (817mm) of snow is accumulated.
What are the months with the lowest UV index?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the most humid month?
February is the most humid month, with an average relative humidity of 66%.
What is the snowiest month?
The month with the most snowfall is February, when snow falls for 8.6 days and typically aggregates up to 5.83" (148mm) of snow.
What is the month with the least sunshine?
February has the least sunshine of the year, with an average of 6.8h 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 rainiest month?
May is the month with the most rainfall. Rain falls for 14.1 days and accumulates 1.69" (43mm) of precipitation.
What is the least humid month?
The months with the lowest humidity are June and August, with an average relative humidity of 41%.
When it does not snow?
In Arvada, snow does not fall in June through September.
When are the longest days?
The month with the longest days is June, with an average of 14h and 54min of daylight.
What are the months with the most sunshine?
June and July, with an average of 11.9h of sunshine, are months with the most sunshine.
When is the highest UV index?
The months with the highest UV index are June through August, with an average maximum UV index of 6.
What is the warmest month?
In Arvada, the peak temperatures are generally noted in July, averaging a high of 85.1°F (29.5°C) and a low of 59.5°F (15.3°C).
What is the coldest month in Arvada?
The lowest temperatures are recorded in December, with averages reaching a high of 39.6°F (4.2°C) and a low of 20.7°F (-6.3°C).
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 24min of daylight.
Average temperature
Arvada, CO
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is December (39.6°F).
The month with the highest average low temperature is July (59.5°F).
The coldest months (with the lowest average low temperature) are February and December (20.7°F).
Average pressure
Arvada, CO
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30"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:
30.01"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
Arvada, CO
- Average wind speed in January:
6.2mph - Average wind speed in February:
6.2mph - Average wind speed in March:
6.5mph - Average wind speed in April:
6.5mph - Average wind speed in May:
5.8mph - Average wind speed in June:
6mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.7mph - Average wind speed in September:
5.6mph - Average wind speed in October:
5.8mph - Average wind speed in November:
6mph - Average wind speed in December:
5.8mph
The windiest months (with the highest average wind speed) are March and April (6.5mph).
The calmest month (with the lowest average wind speed) is September (5.6mph).
Average humidity
Arvada, CO
The month with the highest relative humidity is February (66%).
The months with the lowest relative humidity are June and August (41%).
Average rainfall
Arvada, CO
- Average rainfall in January:
0.35" - Average rainfall in February:
0.75" - Average rainfall in March:
1.1" - Average rainfall in April:
1.14" - Average rainfall in May:
1.69" - Average rainfall in June:
0.83"
- Average rainfall in July:
1.22" - Average rainfall in August:
0.67" - Average rainfall in September:
0.51" - Average rainfall in October:
0.79" - Average rainfall in November:
0.55" - Average rainfall in December:
0.47"
The wettest month (with the highest rainfall) is May (1.69").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days
Arvada, CO
- Average rainfall days in January:
4.3 days - Average rainfall days in February:
4.3 days - Average rainfall days in March:
8.3 days - Average rainfall days in April:
10.7 days - Average rainfall days in May:
14.1 days - Average rainfall days in June:
10.2 days
- Average rainfall days in July:
12.3 days - Average rainfall days in August:
9.6 days - Average rainfall days in September:
7.6 days - Average rainfall days in October:
5.1 days - Average rainfall days in November:
3.3 days - Average rainfall days in December:
5.2 days
The month with the highest number of rainy days is May (14.1 days).
The month with the least rainy days is November (3.3 days).
Average snowfall
Arvada, CO
- Average snowfall in January:
2.76" - Average snowfall in February:
5.83" - Average snowfall in March:
5.28" - Average snowfall in April:
5.08" - Average snowfall in May:
1.46" - Average snowfall in June:
0"
The month with the highest snowfall is February (5.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Arvada, CO
- Average snowfall days in January:
6.5 days - Average snowfall days in February:
8.6 days - Average snowfall days in March:
6.2 days - Average snowfall days in April:
4.3 days - Average snowfall days in May:
1.6 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:
2.5 days - Average snowfall days in November:
3.9 days - Average snowfall days in December:
7.2 days
The month with the highest number of snowfall days is February (8.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Arvada, 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:
14h and 5min
- 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: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January:
7h and 1min - Average sunshine in February:
6h and 5min - Average sunshine in March:
9h and 1min - Average sunshine in April:
10h and 5min - Average sunshine in May:
11h and 2min - Average sunshine in June:
11h and 5min
- Average sunshine in July:
11h and 5min - Average sunshine in August:
11h and 5min - Average sunshine in September:
11h and 1min - 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 54min).
The month with the least sunshine is February (Average sunshine: 6h and 48min).
Average sunshine days
Arvada, CO
- Average sunshine days in January:
22.3 days - Average sunshine days in February:
17.8 days - Average sunshine days in March:
17.7 days - Average sunshine days in April:
15 days - Average sunshine days in May:
14.3 days - Average sunshine days in June:
17.3 days
- Average sunshine days in July:
13.5 days - Average sunshine days in August:
16.5 days - Average sunshine days in September:
19 days - Average sunshine days in October:
22.6 days - Average sunshine days in November:
23.9 days - Average sunshine days in December:
21.3 days
The month with the most sunshine days is November (23.9 days).
The month with the least sunshine days is July (13.5 days).
Average UV index
Arvada, 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
Arvada, CO
The month with the most cloud cover is April (Cloud cover 25).
The month with the least cloud cover is September (Cloud cover 14).
Average visibility
Arvada, 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).
Arvada, Colorado, USA
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