May weather forecast
Jamestown, LA

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Weather in May

The last month of the spring, May, is also a moderately hot month in Jamestown, Louisiana, with temperature in the range of an average low of 63.3°F (17.4°C) and an average high of 84.7°F (29.3°C).

Temperature

May marks a minor ascent in the average high-temperature, adjusting from April's 76.3°F (24.6°C) to a still moderately hot 84.7°F (29.3°C). During the month of May, the temperature falls to an average of 63.3°F (17.4°C).

Heat index

May's mean heat index is evaluated at a hot 93.2°F (34°C). Take more safety measures, heat exhaustion and heat cramps are potential outcomes. Persistent activity might lead to heatstroke.
Note that heat index values are valued for light wind and location in the shade. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is the outcome of merging air's temperature and its humidity metrics. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.

Humidity

In Jamestown, the average relative humidity in May is 74%.

Rainfall

The month with the most rainfall in Jamestown, Louisiana, is May, when the rain falls for 14.8 days and typically aggregates up to 4.17" (106mm) of precipitation.

Snowfall

In Jamestown, snow does not fall in April through November.

Daylight

In Jamestown, the average length of the day in May is 13h and 50min.
On the first day of the month, sunrise is at 6:25 am and sunset at 7:54 pm. On the last day of May, sunrise is at 6:06 am and sunset at 8:14 pm CDT.

Sunshine

In May, the average sunshine in Jamestown, Louisiana, is 9.4h.

UV index

The average daily maximum UV index in May in Jamestown is 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index, 6 during May, leads to the following recommendations:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.
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Frequently asked questions

How hot does it get in Jamestown in May?

The average high-temperature, in May, in Jamestown, is 84.7°F (29.3°C), while the average low-temperature is 63.3°F (17.4°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in May is evaluated at 93.2°F (34°C).

What is the average humidity in May in Jamestown?

In Jamestown, the average relative humidity in May is 74%.

What is the wettest month in Jamestown?

The month with the most rainfall in Jamestown is May, when the rain falls for 14.8 days and typically aggregates up to 4.17" (106mm) of precipitation.

How much does it rain in Jamestown in May?

In May, in Jamestown, the rain falls for 14.8 days. Throughout May, 4.17" (106mm) of precipitation is accumulated.

When it does not snow in Jamestown?

In Jamestown, snow does not fall in April through November.

What is the average length of the day in May in Jamestown?

The average day length in May is 13h and 50min.

When are sunrise and sunset in May in Jamestown?

On the first day of May, sunrise is at 6:25 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 8:14 pm CDT.

How long on average sun shines in May in Jamestown?

In May, the average sunshine duration in Jamestown, Louisiana, is 9.4h.

What is the UV index reading in May in Jamestown?

In May, the average daily maximum UV index in Jamestown is 6. A UV Index reading of 6 to 7 represents a high hazard to health 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 May
Jamestown, LA

Average temperature in May - Jamestown, LA
  • Average high temperature in May: 84.7°F

The warmest months (with the highest average high temperature) are July and August (94.6°F).
The month with the lowest average high temperature is January (54.1°F).

  • Average low temperature in May: 63.3°F

The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (38.5°F).

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Average pressure in May
Jamestown, LA

Average pressure in May - Jamestown, LA
  • Average pressure in May: 29.96"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in May
Jamestown, LA

Average wind speed in May - Jamestown, LA
  • Average wind speed in May: 6.2mph

The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).

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Average humidity in May
Jamestown, LA

Average humidity in May - Jamestown, LA
  • Average humidity in May: 74%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is August (69%).

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Average rainfall in May
Jamestown, LA

Average rainfall in May - Jamestown, LA
  • Average rainfall in May: 4.17"

The wettest month (with the highest rainfall) is May (4.17").
The driest months (with the least rainfall) are July and September (2.52").

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Average rainfall days in May
Jamestown, LA

Average rainfall days in May - Jamestown, LA
  • Average rainfall days in May: 14.8 days

The month with the highest number of rainy days is March (15.6 days).
The month with the least rainy days is October (9.5 days).

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Average snowfall in May
Jamestown, LA

Average snowfall in May - Jamestown, LA
  • Average snowfall in May: 0"

The month with the highest snowfall is February (0.47").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in May
Jamestown, LA

Average snowfall days in May - Jamestown, LA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in May /
Average sunshine in May
Jamestown, LA

Average daylight in May / Average sunshine in May - Jamestown, LA
  • Average daylight in May: 13h and 5min

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in May: 9h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

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Average sunshine days in May
Jamestown, LA

Average sunshine days in May - Jamestown, LA
  • Average sunshine days in May: 14.3 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is February (12.9 days).

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Average UV index in May
Jamestown, LA

Average UV index in May - Jamestown, LA
  • Average UV index in May: 6

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

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Average cloud cover in May
Jamestown, LA

Average cloud cover in May - Jamestown, LA
  • Average cloud cover in May: 37

The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are August and September (Cloud cover 29).

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Average visibility in May
Jamestown, LA

Average visibility in May - Jamestown, LA
  • Average visibility in May: 5mi

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

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Jamestown, Louisiana, USA

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