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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 a frosty winter month in Blackwell, Oklahoma, with an average temperature varying between 28.8°F (-1.8°C) and 45.5°F (7.5°C). The coldest time of the year is January, with temperatures averaging a high of 45.5°F (7.5°C) and a low of 28.8°F (-1.8°C). Weather in January »
Weather in February
The last month of the winter, February, is also a frosty month in Blackwell, Oklahoma, with an average temperature fluctuating between 31.5°F (-0.3°C) and 48.7°F (9.3°C). February's beginning signals an average high-temperature of a still chilly 48.7°F (9.3°C), barely different from January's 45.5°F (7.5°C). Weather in February »
Weather in March
March, the first month of the spring in Blackwell, is a refreshing month, with an average temperature varying between 41.5°F (5.3°C) and 60.1°F (15.6°C). As Blackwell enters March, the average high-temperature increases from the a frosty 48.7°F (9.3°C) of February to a moderate 60.1°F (15.6°C). Weather in March »
Weather in April
April in Blackwell, Oklahoma, is a refreshing spring month, with temperature in the range of an average high of 67.8°F (19.9°C) and an average low of 48.9°F (9.4°C). The shift into April brings a slight increase in the average high-temperature, moving from a mild 60.1°F (15.6°C) in March to an enjoyable 67.8°F (19.9°C). Weather in April »
Weather in May
May, the last month of the spring in Blackwell, is a moderately hot month, with temperature in the range of an average low of 58.6°F (14.8°C) and an average high of 76.8°F (24.9°C). As May sets, the average high-temperature shows an increase, moving up from a comfortable 67.8°F (19.9°C) in April to a moderately hot 76.8°F (24.9°C). Weather in May »
Weather in June
June, the first month of the summer in Blackwell, is a tropical month, with an average temperature ranging between max 89.2°F (31.8°C) and min 70°F (21.1°C). As May transitions into June, a change in temperatures is observed, with average highs moving from a moderately hot 76.8°F (24.9°C) to a hot 89.2°F (31.8°C). Weather in June »
Weather in July
July, like June, is another tropical summer month in Blackwell, Oklahoma, with an average temperature ranging between min 73°F (22.8°C) and max 93.7°F (34.3°C). In Blackwell, the highest average temperatures are observed in July, with a high of 93.7°F (34.3°C) and a low of 73°F (22.8°C). July's mean heat index is calculated to be a blisteringly hot 109.4°F (43°C). Weather in July »
Weather in August
August, the last month of the summer in Blackwell, is also a hot month, with an average temperature fluctuating between 91.6°F (33.1°C) and 71.1°F (21.7°C). As Blackwell steps into August, the average high-temperature is measured at a still tropical 91.6°F (33.1°C), displaying minor differences from July's 93.7°F (34.3°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Blackwell, Oklahoma, with an average temperature varying between 83.5°F (28.6°C) and 64.4°F (18°C). Transition into September subtly marks a drop in the average high-temperature, moderately moving from a tropical 91.6°F (33.1°C) in August to a moderately hot 83.5°F (28.6°C). Weather in September »
Weather in October
October, like September, is another pleasant autumn month in Blackwell, Oklahoma, with an average temperature ranging between max 69.8°F (21°C) and min 51.8°F (11°C). In October, the average high-temperature goes from a warm 83.5°F (28.6°C) in September to an agreeable 69.8°F (21°C). Weather in October »
Weather in November
November, the last month of the autumn in Blackwell, is also a moderate month, with an average temperature fluctuating between 57.7°F (14.3°C) and 40.3°F (4.6°C). Stepping into November, Blackwell observes a temperature decline, with the average high falling from October's pleasant 69.8°F (21°C) to a mild 57.7°F (14.3°C). Weather in November »
Weather in December
The first month of the winter, December, is also a frosty month in Blackwell, Oklahoma, with temperature in the range of an average high of 46.6°F (8.1°C) and an average low of 30.7°F (-0.7°C). Blackwell observes a minor decrease in the average high-temperature with the arrival of December, falling from November's refreshing 57.7°F (14.3°C) to a frosty 46.6°F (8.1°C). Weather in December »
Updated: Jun 21, 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 time of year?
January stands out as Blackwell's coldest month, with temperatures ranging between an average high of 45.5°F (7.5°C) and a low of 28.8°F (-1.8°C).
How much does it rain?
In Blackwell, during the entire year, the rain falls for 116.1 days and collects up to 21.57" (548mm) of precipitation.
When does it snow?
Months with snowfall are January through March, October through December.
How many days does it snow?
Throughout the year, there are 7.6 snowfall days, and 2.6" (66mm) of snow is accumulated.
What is the month with the least sunshine?
January and December, with an average of 6.2h of sunshine, are months with the least sunshine.
When is the lowest UV index?
The months with the lowest UV index are January and December, with an average maximum UV index of 2.
When does it snow the most?
February is the month with the most snowfall. Snow falls for 2.4 days and accumulates 0.91" (23mm) 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 Blackwell, snow does not fall in April through September.
What is the most humid month?
The most humid month is May, with an average relative humidity of 74%.
What is the rainiest month?
May is the month with the most rainfall. Rain falls for 15 days and accumulates 4.09" (104mm) of precipitation.
When are the longest days?
June has the longest days of the year, with an average of 14h and 36min of daylight.
What is the month with the highest UV index?
June through August, with an average maximum UV index of 7, are months with the highest UV index in Blackwell.
What is the hottest time of year?
Blackwell witnesses the warmest weather in July, with temperatures averaging a high of 93.7°F (34.3°C) and a low of 73°F (22.8°C).
What is the least humid month?
July is the least humid month, with an average relative humidity of 61%.
What month has the most sunshine?
With an average of 11.3h of sunshine, August has the most sunshine of the year.
What is the driest month in Blackwell?
December is the month with the least rainfall in Blackwell. Rain falls for 4.7 days and accumulates 0.59" (15mm) of precipitation.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 42min of daylight.
Average temperature
Blackwell, OK
The warmest month (with the highest average high temperature) is July (93.7°F).
The month with the lowest average high temperature is January (45.5°F).
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure
Blackwell, OK
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.02"Hg - Average pressure in April:
29.9"Hg - Average pressure in May:
29.9"Hg - Average pressure in June:
29.87"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.93"Hg - Average pressure in September:
29.98"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.09"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 (29.87"Hg).
Average wind speed
Blackwell, OK
- Average wind speed in January:
10.3mph - Average wind speed in February:
10.6mph - Average wind speed in March:
11.2mph - Average wind speed in April:
11.4mph - Average wind speed in May:
9.9mph - Average wind speed in June:
10.1mph
- Average wind speed in July:
8.5mph - Average wind speed in August:
8.3mph - Average wind speed in September:
8.9mph - Average wind speed in October:
9.9mph - Average wind speed in November:
10.5mph - Average wind speed in December:
9.8mph
The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).
Average humidity
Blackwell, OK
The month with the highest relative humidity is May (74%).
The month with the lowest relative humidity is July (61%).
Average rainfall
Blackwell, OK
- Average rainfall in January:
0.75" - Average rainfall in February:
0.75" - Average rainfall in March:
1.42" - Average rainfall in April:
2.2" - Average rainfall in May:
4.09" - Average rainfall in June:
1.85"
- Average rainfall in July:
2.05" - Average rainfall in August:
2.28" - Average rainfall in September:
2.36" - Average rainfall in October:
2.52" - Average rainfall in November:
0.71" - Average rainfall in December:
0.59"
The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is December (0.59").
Average rainfall days
Blackwell, OK
- Average rainfall days in January:
4.5 days - Average rainfall days in February:
5.8 days - Average rainfall days in March:
10 days - Average rainfall days in April:
12.7 days - Average rainfall days in May:
15 days - Average rainfall days in June:
11.3 days
- Average rainfall days in July:
12 days - Average rainfall days in August:
12.3 days - Average rainfall days in September:
11.8 days - Average rainfall days in October:
10 days - Average rainfall days in November:
6 days - Average rainfall days in December:
4.7 days
The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is January (4.5 days).
Average snowfall
Blackwell, OK
The month with the highest snowfall is February (0.91").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days
Blackwell, OK
- Average snowfall days in January:
2.2 days - Average snowfall days in February:
2.4 days - Average snowfall days in March:
0.9 days - Average snowfall days in April:
0.1 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:
0.1 days - Average snowfall days in November:
0.5 days - Average snowfall days in December:
1.4 days
The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Blackwell, 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 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January:
6h and 1min - Average sunshine in February:
7h and 2min - Average sunshine in March:
7h and 2min - Average sunshine in April:
8h and 4min - Average sunshine in May:
9h and 2min - Average sunshine in June:
11h and 1min
- Average sunshine in July:
11h and 1min - Average sunshine in August:
11h and 2min - Average sunshine in September:
8h and 4min - Average sunshine in October:
6h and 5min - Average sunshine in November:
6h and 2min - Average sunshine in December:
6h and 1min
The month with the most sunshine is August (Average sunshine: 11h and 18min).
The months with the least sunshine are January and December (Average sunshine: 6h and 12min).
Average sunshine days
Blackwell, OK
- Average sunshine days in January:
24 days - Average sunshine days in February:
19.8 days - Average sunshine days in March:
18.3 days - Average sunshine days in April:
16.3 days - Average sunshine days in May:
13.7 days - Average sunshine days in June:
16.1 days
- Average sunshine days in July:
16.3 days - Average sunshine days in August:
15.2 days - Average sunshine days in September:
15.3 days - Average sunshine days in October:
19 days - Average sunshine days in November:
22.3 days - Average sunshine days in December:
23.7 days
The month with the most sunshine days is January (24 days).
The month with the least sunshine days is May (13.7 days).
Average UV index
Blackwell, OK
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover
Blackwell, OK
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility
Blackwell, 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).
Blackwell, Oklahoma, USA
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