May weather forecast
Palo Alto, LA

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Weather in May

May, the last month of the spring in Palo Alto, is another warm month, with temperature in the range of an average high of 84.7°F (29.3°C) and an average low of 66.2°F (19°C).

Temperature

May sees a marginal temperature increase, moving from a warm 78.6°F (25.9°C) in April to a still moderately hot 84.7°F (29.3°C). The nights of May anticipate an average low-temperature of 66.2°F (19°C).

Heat index

May's average heat index is evaluated at a torrid 95°F (35°C). Implement more safety precautions, heat cramps and heat exhaustion may happen. Persistent activity could induce heatstroke.
Realize that the values for the heat index are set for shaded places and light winds. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
Perspiring is how the human body naturally cools down, as sweat's evaporation takes away excess heat. An upsurge in relative humidity affects normal body cooling mechanisms by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.

Humidity

The average relative humidity in May is 77%.

Rainfall

In Palo Alto, in May, it is raining for 13.5 days, with typically 2.44" (62mm) of accumulated precipitation. Throughout the year, there are 165.4 rainfall days, and 26.93" (684mm) of precipitation is accumulated.

Snowfall

February through December are months without snowfall.

Daylight

The average length of the day in May is 13h and 41min.
On the first day of May in Palo Alto, sunrise is at 6:20 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 8:00 pm CDT.

Sunshine

The average sunshine in May is 9.8h.

UV index

In May, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.
Note: In May, the UV index of 6 transforms into the following advice:
Shield from overexposure. Defense against sun-related harm is required. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Updated: Jun 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in May?

May temperatures vary between a high-temperature of 84.7°F (29.3°C) and a low-temperature of 66.2°F (19°C). In May, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, is evaluated at 95°F (35°C).

What is the average humidity in May?

The average relative humidity in May is 77%.

How much does it rain in Palo Alto in May?

In Palo Alto, during May, the rain falls for 13.5 days and regularly aggregates up to 2.44" (62mm) of precipitation.

When it does not snow?

In Palo Alto, snow does not fall in February through December.

What is the average length of the day in May?

In May, the average day length is 13h and 41min.

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 6:20 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 8:00 pm CDT.

How many hours of sunshine does Palo Alto have in May?

In May, the average sunshine duration is 9.8h.

How high is the UV index in May?

In May, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.
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
Palo Alto, LA

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

The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (60.1°F).

  • Average low temperature in May: 66.2°F

The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (44.2°F).

Average pressure in May
Palo Alto, LA

Average pressure in May - Palo Alto, LA
  • Average pressure in May: 29.99"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.96"Hg).

Average wind speed in May
Palo Alto, LA

Average wind speed in May - Palo Alto, LA
  • Average wind speed in May: 6mph

The windiest month (with the highest average wind speed) is February (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

Average humidity in May
Palo Alto, LA

Average humidity in May - Palo Alto, LA
  • Average humidity in May: 77%

The months with the highest relative humidity are February, September and December (80%).
The month with the lowest relative humidity is October (74%).

Average rainfall in May
Palo Alto, LA

Average rainfall in May - Palo Alto, LA
  • Average rainfall in May: 2.44"

The wettest month (with the highest rainfall) is July (4.25").
The driest month (with the least rainfall) is November (1.18").

Average rainfall days in May
Palo Alto, LA

Average rainfall days in May - Palo Alto, LA
  • Average rainfall days in May: 13.5 days

The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is November (8.1 days).

Average snowfall in May
Palo Alto, LA

Average snowfall in May - Palo Alto, LA
  • Average snowfall in May: 0"

The month with the highest snowfall is January (0.16").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in May
Palo Alto, LA

Average snowfall days in May - Palo Alto, LA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).

Average daylight in May /
Average sunshine in May
Palo Alto, LA

Average daylight in May / Average sunshine in May - Palo Alto, LA
  • Average daylight in May: 13h and 4min

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

  • Average sunshine in May: 9h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

Average sunshine days in May
Palo Alto, LA

Average sunshine days in May - Palo Alto, LA
  • Average sunshine days in May: 15 days

The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is July (7.3 days).

Average UV index in May
Palo Alto, LA

Average UV index in May - Palo Alto, LA
  • Average UV index in May: 6

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 3).

Average cloud cover in May
Palo Alto, LA

Average cloud cover in May - Palo Alto, LA
  • Average cloud cover in May: 33

The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 27).

Average visibility in May
Palo Alto, LA

Average visibility in May - Palo Alto, LA
  • Average visibility in May: 5mi

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

Palo Alto, Louisiana, USA

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