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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, like December, is another chilly winter month in Copan, Oklahoma, with temperature in the range of an average high of 44.4°F (6.9°C) and an average low of 28.8°F (-1.8°C). The month of January sees the lowest average temperatures, reaching 44.4°F (6.9°C) at the peak and 28.8°F (-1.8°C) at the low. Weather in January »
Weather in February
The last month of the winter, February, is another chilly month in Copan, Oklahoma, with an average temperature ranging between max 47.7°F (8.7°C) and min 31.8°F (-0.1°C). Upon the onset of February, Copan witnesses an average high-temperature of a still chilly 47.7°F (8.7°C), showing a close resemblance to the prior month. Weather in February »
Weather in March
March, the first month of the spring in Copan, is a refreshing month, with temperature in the range of an average high of 59.5°F (15.3°C) and an average low of 41.9°F (5.5°C). The shift into March is marked by a rise in the average high-temperature, moving from February's chilly 47.7°F (8.7°C) to a moderate 59.5°F (15.3°C). Weather in March »
Weather in April
April is an enjoyable spring month in Copan, Oklahoma, with an average temperature ranging between max 67.8°F (19.9°C) and min 49.3°F (9.6°C). The average high-temperature mildly increases in April, edging from a moderate 59.5°F (15.3°C) in March to a comfortable 67.8°F (19.9°C). Weather in April »
Weather in May
The last month of the spring, May, is a moderately hot month in Copan, Oklahoma, with an average temperature fluctuating between 75.2°F (24°C) and 57.7°F (14.3°C). As Copan transitions into May, a marginal rise in the average high-temperature is observed, moving from a refreshing 67.8°F (19.9°C) in April to a moderately hot 75.2°F (24°C). Weather in May »
Weather in June
June, the first month of the summer in Copan, is still a warm month, with an average temperature varying between 85.6°F (29.8°C) and 68.2°F (20.1°C). Copan's June weather brings a rise in high-temperatures, moving from 75.2°F (24°C) in May to a still warm 85.6°F (29.8°C). Weather in June »
Weather in July
July is a hot summer month in Copan, Oklahoma, with temperature in the range of an average low of 71.1°F (21.7°C) and an average high of 90.1°F (32.3°C). Copan's warmest month, July, generally records average temperatures ranging from a high of 90.1°F (32.3°C) to a low of 71.1°F (21.7°C). July's heat index is estimated at a scorching 107.6°F (42°C). Weather in July »
Weather in August
The last month of the summer, August, is another hot month in Copan, Oklahoma, with an average temperature ranging between min 68.4°F (20.2°C) and max 88.7°F (31.5°C). Stepping into August, Copan records an average high-temperature of a still hot 88.7°F (31.5°C), almost consistent with July. Weather in August »
Weather in September
September, the first month of the autumn in Copan, is also a moderately hot month, with an average temperature fluctuating between 62.6°F (17°C) and 81.9°F (27.7°C). A minor decrease in the average high-temperature is observed during September, shifting from a hot 88.7°F (31.5°C) in August to a moderately hot 81.9°F (27.7°C). Weather in September »
Weather in October
October, the same as September, in Copan, Oklahoma, is another pleasant autumn month, with an average temperature ranging between min 51.3°F (10.7°C) and max 69.1°F (20.6°C). As September transitions into October, Copan sees a drop in the average high-temperature, transitioning from a moderately hot 81.9°F (27.7°C) to an agreeable 69.1°F (20.6°C). Weather in October »
Weather in November
The last month of the autumn, November, is another refreshing month in Copan, Oklahoma, with an average temperature fluctuating between 40.8°F (4.9°C) and 57.4°F (14.1°C). During Copan's transition into November, the average high-temperature lessens, moving from an agreeable 69.1°F (20.6°C) in October to a mild 57.4°F (14.1°C). Weather in November »
Weather in December
The first month of the winter, December, is also a frosty month in Copan, Oklahoma, with temperature in the range of an average low of 32.2°F (0.1°C) and an average high of 46.4°F (8°C). Start of December brings a shift in the average high-temperature, falling from November's refreshing 57.4°F (14.1°C) to a frosty 46.4°F (8°C). Weather in December »
Updated: Jun 4, 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 coldest month?
The coldest time of the year is January, with temperatures averaging a high of 44.4°F (6.9°C) and a low of 28.8°F (-1.8°C).
What is the least humid month?
January, October and November, with an average relative humidity of 68%, are the least humid months.
How many days does it rain?
In Copan, during the entire year, the rain falls for 109.1 days and collects up to 17.4" (442mm) of precipitation.
When does it snow?
January through March, November and December are months with snowfall.
How many days does it snow?
In Copan, during the entire year, snow falls for 5.6 days and aggregates up to 0.87" (22mm) of snow.
What is the month with the least sunshine?
The months with the least sunshine are January and December, with an average of 5.8h of sunshine.
What are the months with the lowest UV index?
The months with the lowest UV index are January and December, with an average maximum UV index of 2.
What is the snowiest month?
The month with the most snowfall is February, when snow falls for 2.3 days and typically aggregates up to 0.35" (9mm) of snow.
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 CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
When it does not snow?
In Copan, snow does not fall in April through October.
What is the most humid month?
With an average relative humidity of 80%, May is the most humid month.
What is the wettest month?
The month with the most rainfall is May, when the rain falls for 13.8 days and typically aggregates up to 3.15" (80mm) of precipitation.
When are the longest days?
The month with the longest days is June, with an average of 14h and 42min of daylight.
What are the months with the highest UV index?
June and July, with an average maximum UV index of 7, are months with the highest UV index.
What are the warmest months?
July, recording an average high temperature of 90.1°F (32.3°C) and a low temperature of 71.1°F (21.7°C), is Copan's warmest month.
What month has the most sunshine?
The month with the most sunshine is July, with an average of 10.9h of sunshine.
What is the driest month?
The month with the least rainfall is December, when the rain falls for 4.3 days and typically collects 0.43" (11mm) of precipitation.
What is the month with the shortest days?
With an average of 9h and 42min of daylight, December has the shortest days of the year.
Average temperature
Copan, OK
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (44.4°F).
The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure
Copan, OK
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.91"Hg - Average pressure in May:
29.91"Hg - Average pressure in June:
29.88"Hg
- Average pressure in July:
29.94"Hg - Average pressure in August:
29.94"Hg - Average pressure in September:
29.99"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed
Copan, OK
- Average wind speed in January:
10.1mph - Average wind speed in February:
10.4mph - Average wind speed in March:
11mph - Average wind speed in April:
10.9mph - Average wind speed in May:
9.2mph - Average wind speed in June:
8.6mph
- Average wind speed in July:
7.3mph - Average wind speed in August:
7.3mph - Average wind speed in September:
8mph - Average wind speed in October:
9.3mph - Average wind speed in November:
10.1mph - Average wind speed in December:
9.4mph
The windiest month (with the highest average wind speed) is March (11mph).
The calmest months (with the lowest average wind speed) are July and August (7.3mph).
Average humidity
Copan, OK
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January, October and November (68%).
Average rainfall
Copan, OK
- Average rainfall in January:
0.47" - Average rainfall in February:
0.55" - Average rainfall in March:
0.98" - Average rainfall in April:
1.89" - Average rainfall in May:
3.15" - Average rainfall in June:
1.38"
- Average rainfall in July:
1.81" - Average rainfall in August:
2.48" - Average rainfall in September:
1.54" - Average rainfall in October:
2.2" - Average rainfall in November:
0.51" - Average rainfall in December:
0.43"
The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is December (0.43").
Average rainfall days
Copan, OK
- Average rainfall days in January:
3.9 days - Average rainfall days in February:
5 days - Average rainfall days in March:
8.9 days - Average rainfall days in April:
12.3 days - Average rainfall days in May:
13.8 days - Average rainfall days in June:
11 days
- Average rainfall days in July:
11.9 days - Average rainfall days in August:
12.2 days - Average rainfall days in September:
11.1 days - Average rainfall days in October:
9.1 days - Average rainfall days in November:
5.6 days - Average rainfall days in December:
4.3 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is January (3.9 days).
Average snowfall
Copan, OK
The month with the highest snowfall is February (0.35").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Copan, OK
- Average snowfall days in January:
1.3 days - Average snowfall days in February:
2.3 days - Average snowfall days in March:
0.3 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 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 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.4 days - Average snowfall days in December:
1.3 days
The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Copan, OK
- Average daylight in January:
10h and 0min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 1min - Average daylight in June:
14h and 4min
- Average daylight in July:
14h and 2min - Average daylight in August:
13h and 3min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 1min - Average daylight in December:
9h and 4min
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 January:
5h and 5min - Average sunshine in February:
6h and 3min - Average sunshine in March:
7h and 1min - Average sunshine in April:
8h and 2min - Average sunshine in May:
8h and 4min - Average sunshine in June:
10h and 3min
- Average sunshine in July:
10h and 5min - Average sunshine in August:
10h and 4min - Average sunshine in September:
8h and 5min - Average sunshine in October:
6h and 4min - Average sunshine in November:
6h and 0min - Average sunshine in December:
5h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 48min).
Average sunshine days
Copan, OK
- Average sunshine days in January:
25.7 days - Average sunshine days in February:
20.3 days - Average sunshine days in March:
19.8 days - Average sunshine days in April:
15.4 days - Average sunshine days in May:
15 days - Average sunshine days in June:
15.3 days
- Average sunshine days in July:
16.6 days - Average sunshine days in August:
15.8 days - Average sunshine days in September:
16.3 days - Average sunshine days in October:
20.1 days - Average sunshine days in November:
22.9 days - Average sunshine days in December:
25 days
The month with the most sunshine days is January (25.7 days).
The month with the least sunshine days is May (15 days).
Average UV index
Copan, OK
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover
Copan, OK
The month with the most cloud cover is March (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 23).
Average visibility
Copan, OK
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).
Copan, Oklahoma, USA
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