July weather forecast
Plymouth, IA

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Weather in July

July, the same as June, is another warm summer month in Plymouth, Iowa, with an average temperature fluctuating between 79.3°F (26.3°C) and 62.6°F (17°C).

Temperature

July is the month when Plymouth sees the highest average temperatures, with a high of 79.3°F (26.3°C) and a low of 62.6°F (17°C).

Humidity

The average relative humidity in July is 83%.

Rainfall

In July, the rain falls for 14.7 days. Throughout July, 2.48" (63mm) of precipitation is accumulated. Throughout the year, in Plymouth, there are 129.5 rainfall days, and 25.98" (660mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Plymouth, Iowa.

Daylight

In July, the average length of the day is 15h and 1min.
On the first day of the month, sunrise is at 5:36 am and sunset at 8:56 pm. On the last day of July, sunrise is at 6:02 am and sunset at 8:35 pm CDT.

Sunshine

The months with the most sunshine are July and August, with an average of 9.7h of sunshine.

UV index

June and July, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index, 6 during July, leads to the following recommendations:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
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Frequently asked questions

What are the warmest months in Plymouth?

July, having an average high-temperature of 79.3°F (26.3°C) and an average low-temperature of 62.6°F (17°C), is the warmest month in Plymouth.

What are the temperatures in Plymouth in July?

The high-temperature, in July, in Plymouth, records 79.3°F (26.3°C), while the low-temperature is 62.6°F (17°C).

What is the average humidity in July in Plymouth?

The average relative humidity in July in Plymouth is 83%.

How many days does it rain in July in Plymouth?

In Plymouth, Iowa, in July, it is raining for 14.7 days, with typically 2.48" (63mm) of accumulated precipitation.

When it does not snow in Plymouth?

In Plymouth, Iowa, snow does not fall in June through September.

How many hours of daylight does Plymouth have in July?

In July, the average day length in Plymouth is 15h and 1min.

When are sunrise and sunset in July in Plymouth?

In July, on the first day of the month, sunrise is at 5:36 am and sunset at 8:56 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 8:35 pm CDT.

What is the month with the most sunshine in Plymouth?

The months with the most sunshine in Plymouth, Iowa, are July and August, with an average of 9.7h of sunshine.

How many hours of sunshine does Plymouth have in July?

In July, the average sunshine duration in Plymouth is 9.7h.

When is the highest UV index in Plymouth?

June and July, with an average maximum UV index of 6, are months with the highest UV index in Plymouth.

What is the UV index reading in July in Plymouth?

In July, the average daily maximum UV index in Plymouth is 6. A UV Index estimate of 6 to 7 represents a high health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Plymouth, IA

Average temperature in July - Plymouth, IA
  • Average high temperature in July: 79.3°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (22.5°F).

  • Average low temperature in July: 62.6°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (10°F).

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Average pressure in July
Plymouth, IA

Average pressure in July - Plymouth, IA
  • Average pressure in July: 29.96"Hg

The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in July
Plymouth, IA

Average wind speed in July - Plymouth, IA
  • Average wind speed in July: 7.2mph

The windiest months (with the highest average wind speed) are January and April (10.7mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).

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Average humidity in July
Plymouth, IA

Average humidity in July - Plymouth, IA
  • Average humidity in July: 83%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in July
Plymouth, IA

Average rainfall in July - Plymouth, IA
  • Average rainfall in July: 2.48"

The wettest month (with the highest rainfall) is June (3.98").
The driest month (with the least rainfall) is January (0.94").

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Average rainfall days in July
Plymouth, IA

Average rainfall days in July - Plymouth, IA
  • Average rainfall days in July: 14.7 days

The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is February (3 days).

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Average snowfall in July
Plymouth, IA

Average snowfall in July - Plymouth, IA
  • Average snowfall in July: 0"

The month with the highest snowfall is February (5.94").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in July
Plymouth, IA

Average snowfall days in July - Plymouth, IA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in July /
Average sunshine in July
Plymouth, IA

Average daylight in July / Average sunshine in July - Plymouth, IA
  • Average daylight in July: 15h and 0min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in July: 9h and 4min

The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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Average sunshine days in July
Plymouth, IA

Average sunshine days in July - Plymouth, IA
  • Average sunshine days in July: 12.9 days

The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is June (10.5 days).

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Average UV index in July
Plymouth, IA

Average UV index in July - Plymouth, IA
  • Average UV index in July: 6

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in July
Plymouth, IA

Average cloud cover in July - Plymouth, IA
  • Average cloud cover in July: 34

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in July
Plymouth, IA

Average visibility in July - Plymouth, IA
  • Average visibility in July: 5mi

The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).

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Plymouth, Iowa, USA

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