Climate and monthly weather forecastJohnson, OK
Climate and monthly weather forecast
Weather in January
January, like December, is a frosty winter month in Johnson, Oklahoma, with an average temperature fluctuating between 32.5°F (0.3°C) and 48.6°F (9.2°C). January is the month when Johnson sees the lowest average temperatures, with a high of 48.6°F (9.2°C) and a low of 32.5°F (0.3°C). Weather in January »Weather in February
The last month of the winter, February, is a fresh month in Johnson, Oklahoma, with an average temperature fluctuating between 51.4°F (10.8°C) and 35.2°F (1.8°C). In February, the average high-temperature registers at a fresh 51.4°F (10.8°C), nearly identical to January's 48.6°F (9.2°C). Weather in February »Weather in March
March, the first month of the spring in Johnson, is an enjoyable month, with temperature in the range of an average low of 45.1°F (7.3°C) and an average high of 62.8°F (17.1°C). March's onset witnesses a shift in the average high-temperature, moving from a fresh 51.4°F (10.8°C) in February to an enjoyable 62.8°F (17.1°C). Weather in March »Weather in April
April is a pleasant spring month in Johnson, Oklahoma, with an average temperature varying between 51.4°F (10.8°C) and 70°F (21.1°C). April signifies a subtle uplift in the average high-temperature, adjusting from a refreshing 62.8°F (17.1°C) in March to an agreeable 70°F (21.1°C). Weather in April »Weather in May
May, the last month of the spring in Johnson, is a moderately hot month, with an average temperature ranging between max 76.6°F (24.8°C) and min 59.7°F (15.4°C). A subtle rise in the average high-temperature is observed during May, adjusting from an agreeable 70°F (21.1°C) in April to a moderately hot 76.6°F (24.8°C). Weather in May »Weather in June
June, the first month of the summer in Johnson, is a tropical month, with temperature in the range of an average high of 87.6°F (30.9°C) and an average low of 69.4°F (20.8°C). As Johnson transitions into June, the average high-temperature shows a change, moving from a moderately hot 76.6°F (24.8°C) in May to a hot 87.6°F (30.9°C). Weather in June »Weather in July
July, the same as June, in Johnson, Oklahoma, is a hot summer month, with an average temperature fluctuating between 72.7°F (22.6°C) and 91.9°F (33.3°C). The shift into July reveals an average high-temperature of a still tropical 91.9°F (33.3°C), closely mirroring June's climate. Weather in July »Weather in August
The last month of the summer, August, is another hot month in Johnson, Oklahoma, with an average temperature varying between 71.2°F (21.8°C) and 92.3°F (33.5°C). In Johnson, the month of August is known for its highest average temperatures, reaching a high of 92.3°F (33.5°C) and a low of 71.2°F (21.8°C). For most parts of August, the heat index is estimated at a blistering 107.6°F (42°C). Weather in August »Weather in September
September, the first month of the autumn in Johnson, is also a moderately hot month, with an average temperature varying between 84.2°F (29°C) and 64.6°F (18.1°C). September witnesses a gentle descent in average high-temperature, descending from August's tropical 92.3°F (33.5°C) to a moderately hot 84.2°F (29°C). Weather in September »Weather in October
October, like September, is an agreeable autumn month in Johnson, Oklahoma, with an average temperature ranging between max 71.1°F (21.7°C) and min 53.1°F (11.7°C). The transition into October indicates a reduction in the average high-temperature, down to a pleasant 71.1°F (21.7°C) from September's moderately hot 84.2°F (29°C). Weather in October »Weather in November
November, the last month of the autumn in Johnson, is another mild month, with an average temperature fluctuating between 59.9°F (15.5°C) and 43.2°F (6.2°C). The move into November indicates a reduction in the average high-temperature, down from October's agreeable 71.1°F (21.7°C) to a refreshing 59.9°F (15.5°C). Weather in November »Weather in December
December, the first month of the winter in Johnson, is still a chilly month, with an average temperature fluctuating between 34.7°F (1.5°C) and 49.5°F (9.7°C). December brings a minor decrease, with the average high-temperature reducing from a refreshing 59.9°F (15.5°C) in November to a frosty 49.5°F (9.7°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Johnson, OK
The warmest month (with the highest average high temperature) is August (92.3°F).
The month with the lowest average high temperature is January (48.6°F).
The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).
Average pressure
Johnson, OK
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.02"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:
29.93"Hg - Average pressure in August:
29.92"Hg - Average pressure in September:
29.98"Hg - Average pressure in October:
30.01"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
Johnson, OK
- Average wind speed in January:
10.6mph - Average wind speed in February:
10.9mph - Average wind speed in March:
11.4mph - Average wind speed in April:
11.5mph - Average wind speed in May:
9.9mph - Average wind speed in June:
9.1mph
- Average wind speed in July:
7.9mph - Average wind speed in August:
7.9mph - Average wind speed in September:
8.1mph - Average wind speed in October:
9.7mph - Average wind speed in November:
10.6mph - Average wind speed in December:
9.9mph
The windiest month (with the highest average wind speed) is April (11.5mph).
The calmest months (with the lowest average wind speed) are July and August (7.9mph).
Average humidity
Johnson, OK
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is August (63%).
Average rainfall
Johnson, OK
- Average rainfall in January:
1.18" - Average rainfall in February:
1.18" - Average rainfall in March:
2.09" - Average rainfall in April:
2.76" - Average rainfall in May:
4.06" - Average rainfall in June:
1.97"
- Average rainfall in July:
2.24" - Average rainfall in August:
2.52" - Average rainfall in September:
2.6" - Average rainfall in October:
2.83" - Average rainfall in November:
1.22" - Average rainfall in December:
1.22"
The wettest month (with the highest rainfall) is May (4.06").
The driest months (with the least rainfall) are January and February (1.18").
Average rainfall days
Johnson, OK
- Average rainfall days in January:
5.4 days - Average rainfall days in February:
7.3 days - Average rainfall days in March:
10.6 days - Average rainfall days in April:
12.9 days - Average rainfall days in May:
14.8 days - Average rainfall days in June:
10.8 days
- Average rainfall days in July:
12.3 days - Average rainfall days in August:
12.6 days - Average rainfall days in September:
12.1 days - Average rainfall days in October:
10.8 days - Average rainfall days in November:
7.5 days - Average rainfall days in December:
6.3 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (5.4 days).
Average snowfall
Johnson, OK
The month with the highest snowfall is February (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Johnson, OK
- Average snowfall days in January:
1.4 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:
0.2 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 (2.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Johnson, OK
- Average daylight in January:
10h and 6min - Average daylight in February:
10h and 54min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 6min - Average daylight in May:
14h and 0min - Average daylight in June:
14h and 30min
- Average daylight in July:
14h and 18min - Average daylight in August:
13h and 30min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 18min - Average daylight in December:
9h and 48min
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 48min).
- Average sunshine in January:
6h and 0min - Average sunshine in February:
7h and 0min - Average sunshine in March:
7h and 12min - Average sunshine in April:
8h and 24min - Average sunshine in May:
8h and 48min - Average sunshine in June:
10h and 42min
- Average sunshine in July:
11h and 0min - Average sunshine in August:
11h and 12min - Average sunshine in September:
8h and 30min - Average sunshine in October:
6h and 48min - Average sunshine in November:
6h and 12min - Average sunshine in December:
5h and 54min
The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days
Johnson, OK
- Average sunshine days in January:
23.7 days - Average sunshine days in February:
17.3 days - Average sunshine days in March:
16.5 days - Average sunshine days in April:
15.3 days - Average sunshine days in May:
14.7 days - Average sunshine days in June:
16.8 days
- Average sunshine days in July:
17.3 days - Average sunshine days in August:
15.9 days - Average sunshine days in September:
15.1 days - Average sunshine days in October:
19 days - Average sunshine days in November:
20.9 days - Average sunshine days in December:
22.9 days
The month with the most sunshine days is January (23.7 days).
The month with the least sunshine days is May (14.7 days).
Average UV index
Johnson, 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
Johnson, OK
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility
Johnson, 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).





