Expand
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 Halley, Oklahoma, is a frosty winter month, with temperature in the range of an average low of 33.3°F (0.7°C) and an average high of 48.9°F (9.4°C). January, with average temperatures reaching a high of 48.9°F (9.4°C) and a low of 33.3°F (0.7°C), is the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Halley, is a fresh month, with temperature in the range of an average high of 52.5°F (11.4°C) and an average low of 36.5°F (2.5°C). The arrival of February brings an average high-temperature of a cool 52.5°F (11.4°C), subtly diverging from January's 48.9°F (9.4°C). Weather in February »
Weather in March
The first month of the spring, March, is a refreshing month in Halley, Oklahoma, with an average temperature fluctuating between 62.2°F (16.8°C) and 45.1°F (7.3°C). March's arrival brings a temperature shift, moving from a fresh 52.5°F (11.4°C) in February to a comfortable 62.2°F (16.8°C). Weather in March »
Weather in April
April in Halley, Oklahoma, is an agreeable spring month, with an average temperature ranging between min 51.6°F (10.9°C) and max 70.5°F (21.4°C). The onset of April introduces a subtle rise in the average high-temperature, nudging from a comfortable 62.2°F (16.8°C) in March to an agreeable 70.5°F (21.4°C). Weather in April »
Weather in May
The last month of the spring, May, is a moderately hot month in Halley, Oklahoma, with an average temperature varying between 60.1°F (15.6°C) and 77.7°F (25.4°C). The start of May is characterized by a subtle increase in the average high-temperature, transitioning from a pleasant 70.5°F (21.4°C) in April to a moderately hot 77.7°F (25.4°C). Weather in May »
Weather in June
The first month of the summer, June, is a tropical month in Halley, Oklahoma, with an average temperature fluctuating between 88.3°F (31.3°C) and 69.4°F (20.8°C). June brings a temperature increase, with average high-temperatures moving from May's moderately hot 77.7°F (25.4°C) to a hot 88.3°F (31.3°C). Weather in June »
Weather in July
July, the same as June, in Halley, Oklahoma, is another hot summer month, with an average temperature ranging between min 72.1°F (22.3°C) and max 92.7°F (33.7°C). Halley's July weather, marked by an average high temperature of 92.7°F (33.7°C) and an average low temperature of 72.1°F (22.3°C), is the warmest in the year. July's heat index is estimated at a burning hot 113°F (45°C). Weather in July »
Weather in August
The last month of the summer, August, is also a hot month in Halley, Oklahoma, with an average temperature ranging between max 92.3°F (33.5°C) and min 71.1°F (21.7°C). With the advent of August, Halley experiences an average high-temperature of a still tropical 92.3°F (33.5°C), mirroring a close resemblance to the previous month. Weather in August »
Weather in September
September, the first month of the autumn in Halley, is also a moderately hot month, with an average temperature fluctuating between 85.1°F (29.5°C) and 64.6°F (18.1°C). During the shift to September, a minor reduction in average high-temperature is observed, shifting from a tropical 92.3°F (33.5°C) in August to a moderately hot 85.1°F (29.5°C). Weather in September »
Weather in October
October, like September, is an agreeable autumn month in Halley, Oklahoma, with an average temperature fluctuating between 72.1°F (22.3°C) and 53.4°F (11.9°C). October's arrival corresponds with a decrease in average high-temperatures, from September's warm 85.1°F (29.5°C) to a pleasant 72.1°F (22.3°C). Weather in October »
Weather in November
November, the last month of the autumn in Halley, is also a moderate month, with temperature in the range of an average low of 43.3°F (6.3°C) and an average high of 60.6°F (15.9°C). November's onset brings a reduction in the average high-temperature, from a pleasant 72.1°F (22.3°C) in October to a moderate 60.6°F (15.9°C). Weather in November »
Weather in December
December, the first month of the winter in Halley, is also a fresh month, with an average temperature varying between 50.4°F (10.2°C) and 36°F (2.2°C). As November transitions to December, the average high-temperature falls from a mild 60.6°F (15.9°C) to a cool 50.4°F (10.2°C). Weather in December »
[Resources]Frequently asked questions
What are the coldest months in Halley?
With average temperatures fluctuating between a high of 48.9°F (9.4°C) and a low of 33.3°F (0.7°C), January stands out as the coldest month in Halley, Oklahoma.
How much does it rain in Halley?
Throughout the year, in Halley, Oklahoma, there are 138.1 rainfall days, and 30.71" (780mm) of precipitation is accumulated.
When does it snow in Halley?
January through April, November and December are months with snowfall in Halley, Oklahoma.
How many days does it snow in Halley?
Throughout the year, there are 5.4 snowfall days, and 2.8" (71mm) of snow is accumulated.
What is the driest month in Halley?
February is the month with the least rainfall. Rain falls for 9.9 days and accumulates 1.73" (44mm) of precipitation.
What is the snowiest month in Halley?
February is the month with the most snowfall. Snow falls for 2.3 days and accumulates 1.14" (29mm) of snow.
When is Daylight Saving Time (DST) in Halley?
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.
What is the most humid month in Halley?
May is the most humid month in Halley, Oklahoma, with an average relative humidity of 78%.
What is the wettest month in Halley?
May is the month with the most rainfall in Halley, Oklahoma. Rain falls for 14.4 days and accumulates 4.41" (112mm) of precipitation.
When it does not snow in Halley?
May through October are months without snowfall in Halley, Oklahoma.
When are the longest days in Halley?
June has the longest days of the year in Halley, with an average of 14h and 30min of daylight.
What is the month with the highest UV index in Halley?
June through August, with an average maximum UV index of 7, are months with the highest UV index in Halley, Oklahoma.
What month is the hottest in Halley?
In Halley, Oklahoma, temperatures reach their average annual highs in July, measuring 92.7°F (33.7°C) and a minimum average of 72.1°F (22.3°C).
What is the least humid month in Halley?
August is the least humid month in Halley, Oklahoma, with an average relative humidity of 66%.
What month has the most sunshine in Halley?
August has the most sunshine of the year in Halley, Oklahoma, with an average of 10.9h of sunshine.
What is the month with the shortest days in Halley?
The month with the shortest days is December, with an average of 9h and 54min of daylight.
What is the month with the least sunshine in Halley?
The month with the least sunshine in Halley is December, with an average of 5.5h of sunshine.
What is the month with the lowest UV index in Halley?
December is the month with the lowest UV index in Halley, with an average maximum UV index of 2.
Average temperature
Halley, OK
The warmest month (with the highest average high temperature) is July (92.7°F).
The month with the lowest average high temperature is January (48.9°F).
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (33.3°F).
Average pressure
Halley, OK
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.04"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.94"Hg - Average pressure in September:
29.98"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.11"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 (29.91"Hg).
Average wind speed
Halley, OK
- Average wind speed in January:
8.6mph - Average wind speed in February:
9.1mph - Average wind speed in March:
9.4mph - Average wind speed in April:
9.5mph - Average wind speed in May:
8.3mph - Average wind speed in June:
7.2mph
- Average wind speed in July:
6.2mph - Average wind speed in August:
6.2mph - Average wind speed in September:
6.5mph - Average wind speed in October:
7.9mph - Average wind speed in November:
8.8mph - Average wind speed in December:
8.2mph
The windiest month (with the highest average wind speed) is April (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity
Halley, OK
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is August (66%).
Average rainfall
Halley, OK
- Average rainfall in January:
1.85" - Average rainfall in February:
1.73" - Average rainfall in March:
2.64" - Average rainfall in April:
2.99" - Average rainfall in May:
4.41" - Average rainfall in June:
2.13"
- Average rainfall in July:
2.52" - Average rainfall in August:
2.95" - Average rainfall in September:
2.48" - Average rainfall in October:
3.19" - Average rainfall in November:
1.89" - Average rainfall in December:
1.93"
The wettest month (with the highest rainfall) is May (4.41").
The driest month (with the least rainfall) is February (1.73").
Average rainfall days
Halley, OK
- Average rainfall days in January:
7.7 days - Average rainfall days in February:
9.9 days - Average rainfall days in March:
13.7 days - Average rainfall days in April:
13.7 days - Average rainfall days in May:
14.4 days - Average rainfall days in June:
10.9 days
- Average rainfall days in July:
14.2 days - Average rainfall days in August:
12.7 days - Average rainfall days in September:
12.3 days - Average rainfall days in October:
11.1 days - Average rainfall days in November:
8.3 days - Average rainfall days in December:
9.2 days
The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is January (7.7 days).
Average snowfall
Halley, OK
The month with the highest snowfall is February (1.14").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Halley, OK
- Average snowfall days in January:
1.3 days - Average snowfall days in February:
2.3 days - Average snowfall days in March:
0.6 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 days - Average snowfall days in November:
0.5 days - Average snowfall days in December:
0.6 days
The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Halley, OK
- Average daylight in January:
10h and 1min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 0min - Average daylight in June:
14h and 3min
- Average daylight in July:
14h and 1min - Average daylight in August:
13h and 2min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 2min - Average daylight in December:
9h and 5min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January:
5h and 4min - Average sunshine in February:
6h and 1min - Average sunshine in March:
6h and 5min - Average sunshine in April:
8h and 1min - Average sunshine in May:
8h and 5min - Average sunshine in June:
10h and 3min
- Average sunshine in July:
10h and 5min - Average sunshine in August:
10h and 5min - Average sunshine in September:
8h and 5min - Average sunshine in October:
6h and 2min - Average sunshine in November:
6h and 0min - Average sunshine in December:
5h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days
Halley, OK
- Average sunshine days in January:
20.8 days - Average sunshine days in February:
15.2 days - Average sunshine days in March:
15.1 days - Average sunshine days in April:
14.5 days - Average sunshine days in May:
14.8 days - Average sunshine days in June:
16.3 days
- Average sunshine days in July:
14.6 days - Average sunshine days in August:
15.5 days - Average sunshine days in September:
15.5 days - Average sunshine days in October:
18.2 days - Average sunshine days in November:
19.7 days - Average sunshine days in December:
19.5 days
The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is April (14.5 days).
Average UV index
Halley, OK
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover
Halley, OK
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility
Halley, 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).
Halley, Oklahoma, USA
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location
