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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 Optima, Oklahoma, with an average temperature ranging between max 48.9°F (9.4°C) and min 28.9°F (-1.7°C). As Optima steps into January, the average high-temperature holds at a still frosty 48.9°F (9.4°C), hinting at a minor fluctuation from the prior month. Weather in January »
Weather in February
February, the last month of the winter in Optima, is a fresh month, with temperature in the range of an average low of 30.7°F (-0.7°C) and an average high of 51.1°F (10.6°C). February's arrival shows an average high-temperature of a cool 51.1°F (10.6°C), hardly different from the previous month. Weather in February »
Weather in March
The first month of the spring, March, is a refreshing month in Optima, Oklahoma, with an average temperature ranging between min 40.6°F (4.8°C) and max 63.3°F (17.4°C). Optima, Oklahoma, sees an increase in the average high-temperature with the arrival of March, moving from February's cool 51.1°F (10.6°C) to a comfortable 63.3°F (17.4°C). Weather in March »
Weather in April
April in Optima, Oklahoma, is an agreeable spring month, with an average temperature fluctuating between 70.5°F (21.4°C) and 46.8°F (8.2°C). The average high-temperature mildly increases in April, edging from a comfortable 63.3°F (17.4°C) in March to an agreeable 70.5°F (21.4°C). Weather in April »
Weather in May
May, the last month of the spring in Optima, is a warm month, with an average temperature ranging between max 79.3°F (26.3°C) and min 55.8°F (13.2°C). With the onset of May, Optima observes a minor temperature ascent, with the average high-temperature adjusting from April's pleasant 70.5°F (21.4°C) to a warm 79.3°F (26.3°C). Weather in May »
Weather in June
The first month of the summer, June, is a hot month in Optima, Oklahoma, with temperature in the range of an average high of 92.3°F (33.5°C) and an average low of 68.4°F (20.2°C). As June begins, there is an increase in the average high-temperature, moving from a warm 79.3°F (26.3°C) in May to a tropical 92.3°F (33.5°C). Weather in June »
Weather in July
July, the same as June, in Optima, Oklahoma, is another tropical summer month, with an average temperature fluctuating between 94.5°F (34.7°C) and 72.1°F (22.3°C). The month of July, characterized by an average high of 94.5°F (34.7°C) and a low of 72.1°F (22.3°C), is recognized as the warmest. The average heat index in July is calculated to be a very hot 100.4°F (38°C). Weather in July »
Weather in August
The last month of the summer, August, is another tropical month in Optima, Oklahoma, with an average temperature ranging between min 69.8°F (21°C) and max 91.9°F (33.3°C). The onset of August manifests an average high-temperature of a still tropical 91.9°F (33.3°C), demonstrating a minor variation from the preceding month. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Optima, Oklahoma, with temperature in the range of an average high of 84.4°F (29.1°C) and an average low of 63°F (17.2°C). September's arrival subtly correlates with a reduction in the average high-temperature, down from a tropical 91.9°F (33.3°C) in August to a warm 84.4°F (29.1°C). Weather in September »
Weather in October
October, like September, is an agreeable autumn month in Optima, Oklahoma, with an average temperature fluctuating between 70°F (21.1°C) and 49.8°F (9.9°C). Optima witnesses a significant decrease in the average high-temperature with the arrival of October, falling from September's moderately hot 84.4°F (29.1°C) to an agreeable 70°F (21.1°C). Weather in October »
Weather in November
November, the last month of the autumn in Optima, is also a moderate month, with an average temperature fluctuating between 38.3°F (3.5°C) and 59°F (15°C). The onset of November results in a decrease in the average high-temperature, receding from a pleasant 70°F (21.1°C) in October to a moderate 59°F (15°C). Weather in November »
Weather in December
December, the first month of the winter in Optima, is still a chilly month, with an average temperature ranging between min 28.9°F (-1.7°C) and max 47.7°F (8.7°C). December is Optima's coldest month, registering average high temperatures of 47.7°F (8.7°C) and lows of 28.9°F (-1.7°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
How many days does it rain?
Throughout the year, there are 88.2 rainfall days, and 13.39" (340mm) of precipitation is accumulated.
When does it snow in Optima?
Months with snowfall are January through April, October through December.
When does it snow the most?
January is the month with the most snowfall. Snow falls for 2.8 days and accumulates 1.85" (47mm) of snow.
How much does it snow?
In Optima, during the entire year, snow falls for 14.6 days and aggregates up to 6.42" (163mm) 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 Optima, snow does not fall in May through September.
What is the least humid month?
The least humid month is June, with an average relative humidity of 44%.
When are the longest days?
The month with the longest days is June, with an average of 14h and 36min of daylight.
What month has the most sunshine in Optima?
The month with the most sunshine is June, with an average of 11.7h of sunshine.
What are the months with the highest UV index?
The months with the highest UV index are June through August, with an average maximum UV index of 7.
What part of the year is the hottest?
In Optima, July records the average highest temperatures, peaking at 94.5°F (34.7°C) and reaching a low of 72.1°F (22.3°C).
What is the wettest month?
July is the month with the most rainfall in Optima. Rain falls for 13.5 days and accumulates 2.01" (51mm) of precipitation.
What is the driest month?
The month with the least rainfall is November, when the rain falls for 2.5 days and typically collects 0.35" (9mm) of precipitation.
What part of the year is the coldest?
Optima experiences its lowest temperatures in December, with an average peak of 47.7°F (8.7°C) and a low of 28.9°F (-1.7°C).
What is the most humid month?
With an average relative humidity of 56%, December is the most humid month.
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.
What is the month with the least sunshine in Optima?
The month with the least sunshine is December, with an average of 6.7h of sunshine.
When is the lowest UV index?
With an average maximum UV index of 2, December is the month with the lowest UV index.
Average temperature
Optima, OK
The warmest month (with the highest average high temperature) is July (94.5°F).
The month with the lowest average high temperature is December (47.7°F).
The month with the highest average low temperature is July (72.1°F).
The coldest months (with the lowest average low temperature) are January and December (28.9°F).
Average pressure
Optima, OK
- Average pressure in January:
30.12"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
29.96"Hg - Average pressure in April:
29.85"Hg - Average pressure in May:
29.85"Hg - Average pressure in June:
29.81"Hg
- Average pressure in July:
29.89"Hg - Average pressure in August:
29.9"Hg - Average pressure in September:
29.94"Hg - Average pressure in October:
29.98"Hg - Average pressure in November:
30.06"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.81"Hg).
Average wind speed
Optima, OK
- Average wind speed in January:
10.6mph - Average wind speed in February:
11.5mph - Average wind speed in March:
12.4mph - Average wind speed in April:
13.3mph - Average wind speed in May:
12.7mph - Average wind speed in June:
13.4mph
- Average wind speed in July:
11.6mph - Average wind speed in August:
10.7mph - Average wind speed in September:
12.1mph - Average wind speed in October:
11.9mph - Average wind speed in November:
11.6mph - Average wind speed in December:
10.9mph
The windiest month (with the highest average wind speed) is June (13.4mph).
The calmest month (with the lowest average wind speed) is January (10.6mph).
Average humidity
Optima, OK
The month with the highest relative humidity is December (56%).
The month with the lowest relative humidity is June (44%).
Average rainfall
Optima, OK
- Average rainfall in January:
0.55" - Average rainfall in February:
0.39" - Average rainfall in March:
0.83" - Average rainfall in April:
1.3" - Average rainfall in May:
1.42" - Average rainfall in June:
1.81"
- Average rainfall in July:
2.01" - Average rainfall in August:
1.89" - Average rainfall in September:
1.02" - Average rainfall in October:
1.26" - Average rainfall in November:
0.35" - Average rainfall in December:
0.55"
The wettest month (with the highest rainfall) is July (2.01").
The driest month (with the least rainfall) is November (0.35").
Average rainfall days
Optima, OK
- Average rainfall days in January:
2.8 days - Average rainfall days in February:
3 days - Average rainfall days in March:
5.8 days - Average rainfall days in April:
8.5 days - Average rainfall days in May:
8.8 days - Average rainfall days in June:
10.3 days
- Average rainfall days in July:
13.5 days - Average rainfall days in August:
13 days - Average rainfall days in September:
9.9 days - Average rainfall days in October:
6.5 days - Average rainfall days in November:
2.5 days - Average rainfall days in December:
3.6 days
The month with the highest number of rainy days is July (13.5 days).
The month with the least rainy days is November (2.5 days).
Average snowfall
Optima, OK
The month with the highest snowfall is January (1.85").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Optima, OK
- Average snowfall days in January:
2.8 days - Average snowfall days in February:
4.8 days - Average snowfall days in March:
1.2 days - Average snowfall days in April:
0.7 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:
0.5 days - Average snowfall days in November:
2 days - Average snowfall days in December:
2.6 days
The month with the highest number of snowfall days is February (4.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Optima, 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:
7h and 2min - Average sunshine in February:
8h and 3min - Average sunshine in March:
8h and 4min - Average sunshine in April:
9h and 1min - Average sunshine in May:
10h and 5min - Average sunshine in June:
11h and 4min
- Average sunshine in July:
11h and 4min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 2min - Average sunshine in October:
8h and 2min - Average sunshine in November:
6h and 5min - Average sunshine in December:
6h and 4min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days
Optima, OK
- Average sunshine days in January:
25.5 days - Average sunshine days in February:
21.3 days - Average sunshine days in March:
23.3 days - Average sunshine days in April:
19.2 days - Average sunshine days in May:
18.9 days - Average sunshine days in June:
16.6 days
- Average sunshine days in July:
12.7 days - Average sunshine days in August:
13.5 days - Average sunshine days in September:
17 days - Average sunshine days in October:
22.8 days - Average sunshine days in November:
25.3 days - Average sunshine days in December:
24.8 days
The month with the most sunshine days is January (25.5 days).
The month with the least sunshine days is July (12.7 days).
Average UV index
Optima, 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
Optima, OK
The month with the most cloud cover is February (Cloud cover 26).
The month with the least cloud cover is June (Cloud cover 15).
Average visibility
Optima, 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).
Optima, Oklahoma, USA
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