Climate and monthly weather forecast
Arch, OK

Share

Weather in January

January, the same as December, in Arch, Oklahoma, is another chilly winter month, with temperature in the range of an average high of 48.7°F (9.3°C) and an average low of 32.9°F (0.5°C). January, characterized by an average high temperature of 48.7°F (9.3°C) and a low temperature of 32.9°F (0.5°C), is generally the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Arch, is a fresh month, with an average temperature fluctuating between 36.7°F (2.6°C) and 52.5°F (11.4°C). With the advent of February, Arch's high-temperatures adjust to a fresh 52.5°F (11.4°C), closely aligning with the preceding month. Weather in February »

Weather in March

The first month of the spring, March, is a refreshing month in Arch, Oklahoma, with an average temperature fluctuating between 62.2°F (16.8°C) and 45.1°F (7.3°C). With the onset of March, Arch sees a temperature rise, with the average high-temperature moving from February's cool 52.5°F (11.4°C) to an enjoyable 62.2°F (16.8°C). Weather in March »

Weather in April

April in Arch, Oklahoma, is a pleasant spring month, with an average temperature varying between 71.1°F (21.7°C) and 51.4°F (10.8°C). April sees a marginal temperature increase, moving from a refreshing 62.2°F (16.8°C) in March to an agreeable 71.1°F (21.7°C). Weather in April »

Weather in May

May, the last month of the spring in Arch, is a warm month, with an average temperature fluctuating between 59.5°F (15.3°C) and 78.1°F (25.6°C). May brings a slight increase in the average high-temperature, progressing from a pleasant 71.1°F (21.7°C) in April to a warm 78.1°F (25.6°C). Weather in May »

Weather in June

The first month of the summer, June, is a tropical month in Arch, Oklahoma, with an average temperature fluctuating between 88.3°F (31.3°C) and 69.4°F (20.8°C). The commencement of June sees a shift in the average high-temperature, moving from a moderately hot 78.1°F (25.6°C) in May to a hot 88.3°F (31.3°C). Weather in June »

Weather in July

July, like June, is another hot summer month in Arch, Oklahoma, with an average temperature fluctuating between 92.5°F (33.6°C) and 72°F (22.2°C). The warmest month is July, with an average high-temperature of 92.5°F (33.6°C) and an average low-temperature of 72°F (22.2°C). July's mean heat index is estimated at a life-threatening hot 113°F (45°C). Weather in July »

Weather in August

The last month of the summer, August, is another hot month in Arch, Oklahoma, with temperature in the range of an average low of 70.3°F (21.3°C) and an average high of 92.1°F (33.4°C). August notes an average high-temperature of a still tropical 92.1°F (33.4°C), subtly differing from July's 92.5°F (33.6°C). Weather in August »

Weather in September

September, the first month of the autumn in Arch, is still a warm month, with an average temperature ranging between min 64.6°F (18.1°C) and max 85.1°F (29.5°C). With the onset of September, the average high-temperature subtly recedes from August's hot 92.1°F (33.4°C) to a warm 85.1°F (29.5°C). Weather in September »

Weather in October

October, like September, is an agreeable autumn month in Arch, Oklahoma, with an average temperature ranging between min 53.1°F (11.7°C) and max 72.1°F (22.3°C). As September transitions to October, the average high-temperature falls from a warm 85.1°F (29.5°C) to an agreeable 72.1°F (22.3°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a moderate month in Arch, Oklahoma, with temperature in the range of an average low of 43°F (6.1°C) and an average high of 60.6°F (15.9°C). November brings a decrease in the average high-temperature, falling from October's agreeable 72.1°F (22.3°C) to a moderate 60.6°F (15.9°C). Weather in November »

Weather in December

The first month of the winter, December, is also a fresh month in Arch, Oklahoma, with an average temperature fluctuating between 35.6°F (2°C) and 50.5°F (10.3°C). With the onset of December, Arch experiences a modest temperature adjustment, with the average high-temperature receding from a mild 60.6°F (15.9°C) in November to a fresh 50.5°F (10.3°C). Weather in December »
Updated: Aug 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest?

The coldest month is January, with an average high-temperature of 48.7°F (9.3°C) and an average low-temperature of 32.9°F (0.5°C).

How much does it rain?

Throughout the year, there are 128.5 rainfall days, and 24.25" (616mm) of precipitation is accumulated.

When does it snow?

January through April, November and December are months with snowfall.

How many days does it snow?

Throughout the year, there are 5.6 snowfall days, and 2.28" (58mm) of snow is accumulated.

What is the driest month?

The month with the least rainfall is February, when the rain falls for 8.3 days and typically collects 1.34" (34mm) of precipitation.

What is the snowiest month?

February is the month with the most snowfall. Snow falls for 2.2 days and accumulates 0.71" (18mm) 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.

What is the most humid month?

May is the most humid month, with an average relative humidity of 78%.

What is the rainiest month?

The month with the most rainfall is May, when the rain falls for 13 days and typically aggregates up to 3.19" (81mm) of precipitation.

When it does not snow in Arch?

May through October are months without snowfall.

When are the longest days in Arch?

With an average of 14h and 30min of daylight, June has the longest days of the year.

What is the month with the highest UV index?

June and July, with an average maximum UV index of 7, are months with the highest UV index.

What month is the hottest?

Arch's warmest month, July, generally records average temperatures ranging from a high of 92.5°F (33.6°C) to a low of 72°F (22.2°C).

What is the least humid month?

August is the least humid month, with an average relative humidity of 67%.

What month has the most sunshine?

The month with the most sunshine is August, with an average of 10.8h of sunshine.

What is the month with the shortest days?

December has the shortest days of the year in Arch, with an average of 9h and 54min of daylight.

What is the month with the least sunshine?

With an average of 5.5h of sunshine, December has the least sunshine of the year.

What is the month with the lowest UV index?

December is the month with the lowest UV index, with an average maximum UV index of 2.

Average temperature
Arch, OK

Average temperature - Arch, OK

The warmest month (with the highest average high temperature) is July (92.5°F).
The month with the lowest average high temperature is January (48.7°F).

The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (32.9°F).

Average pressure
Arch, OK

Average pressure - Arch, OK

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
Arch, OK

Average wind speed - Arch, OK

The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).

Average rainfall
Arch, OK

Average rainfall - Arch, OK

The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is February (1.34").

Average rainfall days
Arch, OK

Average rainfall days - Arch, OK

The month with the highest number of rainy days is July (14.7 days).
The month with the least rainy days is January (6.9 days).

Average snowfall
Arch, OK

Average snowfall - Arch, OK

The month with the highest snowfall is February (0.71").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days
Arch, OK

Average snowfall days - Arch, OK

The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight / Average sunshine
Arch, OK

Average daylight / Average sunshine - Arch, OK

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).

The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

Average sunshine days
Arch, OK

Average sunshine days - Arch, OK

The month with the most sunshine days is January (22 days).
The month with the least sunshine days is July (14.4 days).

Average visibility
Arch, OK

Average visibility - Arch, 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).

Arch, Oklahoma, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location