Helena
Oklahoma, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Helena, OK

January, like December, is another chilly winter month in Helena, Oklahoma, with average temperature ranging between min 19.9°F (-6.7°C) and max 43.5°F (6.4°C). With an average high-temperature of 43.5°F (6.4°C) and an average low-temperature of 19.9°F (-6.7°C), January is the coldest month. Weather in January »
The last month of the winter, February, is another chilly month in Helena, Oklahoma, with average temperature varying between 48.7°F (9.3°C) and 24.4°F (-4.2°C). In Helena, the average high-temperature in February is relatively the same as in January - a still frosty 48.7°F (9.3°C). Weather in February »

The first month of the spring, March, is a moderate month in Helena, Oklahoma, with average temperature fluctuating between 58.8°F (14.9°C) and 33.6°F (0.9°C). In Helena, the average high-temperature increases, from a frosty 48.7°F (9.3°C) in February, to a moderate 58.8°F (14.9°C). Weather in March »

April in Helena, Oklahoma, is an agreeable spring month, with average temperature varying between 44.1°F (6.7°C) and 70°F (21.1°C). In Helena, the average high-temperature rises, from a moderate 58.8°F (14.9°C) in March, to a pleasant 70°F (21.1°C). Weather in April »

The last month of the spring, May, is a warm month in Helena, Oklahoma, with average temperature varying between 79°F (26.1°C) and 54°F (12.2°C). In Helena, the average high-temperature increases, from an agreeable 70°F (21.1°C) in April, to a moderately hot 79°F (26.1°C). Weather in May »

June, the first month of the summer, in Helena, is a hot month, with temperature in the range of an average high of 88.9°F (31.6°C) and an average low of 63.9°F (17.7°C). In June, the average high-temperature rises, from a warm 79°F (26.1°C) in May, to a tropical 88.9°F (31.6°C). Weather in June »

July, the same as June, in Helena, Oklahoma, is a hot summer month, with average temperature fluctuating between 68.9°F (20.5°C) and 94.8°F (34.9°C). With an average high-temperature of 94.8°F (34.9°C) and an average low-temperature of 68.9°F (20.5°C), July is the warmest month. Weather in July »

The last month of the summer, August, is another hot month in Helena, Oklahoma, with average temperature ranging between min 67.3°F (19.6°C) and max 93.2°F (34°C). In Helena, the average high-temperature in August is almost the same as in July - a still tropical 93.2°F (34°C). Weather in August »

September, the first month of the autumn, in Helena, is also a moderately hot month, with average temperature varying between 59.2°F (15.1°C) and 83.8°F (28.8°C). In September, the average high-temperature decreases, from a hot 93.2°F (34°C) in August, to a warm 83.8°F (28.8°C). Weather in September »

October, like September, is another pleasant autumn month in Helena, Oklahoma, with average temperature varying between 73°F (22.8°C) and 46.6°F (8.1°C). In Helena, Oklahoma, the average high-temperature drops, from a moderately hot 83.8°F (28.8°C) in September, to a pleasant 73°F (22.8°C). Weather in October »

The last month of the autumn, November, is another mild month in Helena, Oklahoma, with average temperature fluctuating between 57.9°F (14.4°C) and 34.2°F (1.2°C). In November, the average high-temperature declines considerably, from an agreeable 73°F (22.8°C) in October, to a moderate 57.9°F (14.4°C). Weather in November »

The first month of the winter, December, is still a chilly month in Helena, Oklahoma, with temperature in the range of an average high of 46.4°F (8°C) and an average low of 23.7°F (-4.6°C). In Helena, the average high-temperature in December decreases, from a mild 57.9°F (14.4°C) in November, to a frosty 46.4°F (8°C). Weather in December »

What is the coldest month in Helena?

The coldest month in Helena, Oklahoma, is January, with an average high-temperature of 43.5°F (6.4°C) and an average low-temperature of 19.9°F (-6.7°C).

How much does it rain in Helena?

Throughout the year, in Helena, 28.2" (716.2mm) of rain is accumulated.

What is the driest month in Helena?

January is the month with the least rainfall in Helena, with 0.8" (20.3mm) of accumulated precipitation.

What is the wettest month in Helena?

May is the month with the most rainfall in Helena, with 4" (101.6mm) of accumulated precipitation.

When are the longest days in Helena?

The month with the longest days is June, with an average of 14.6h of daylight.

What is the warmest month in Helena?

With an average high-temperature of 94.8°F (34.9°C) and an average low-temperature of 68.9°F (20.5°C), July is the warmest month in Helena.

What is the month with the shortest days in Helena?

With an average of 9.7h of daylight, December has the shortest days of the year in Helena, Oklahoma.
Average rainfall - Helena, OK
Average daylight - Helena, OK

The month with the longest days is June (Average daylight: 14.6h).
The month with shortest days is December (Average daylight: 9.7h).