May weather forecastTerra Haute, LA
May
Weather in May
May, the last month of the spring in Terra Haute, is another warm month, with an average temperature fluctuating between 85.3°F (29.6°C) and 66°F (18.9°C).Temperature
May signals a minor shift in the average high-temperature, moving from April's 78.4°F (25.8°C) to a still moderately hot 85.3°F (29.6°C). Terra Haute records a steady low-temperature average of 66°F (18.9°C) during May.Heat index
The heat index value for May is evaluated at a torrid 95°F (35°C). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.Heat index specifics point out values are for conditions of shade and a slight breeze. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is achieved by amalgamating air temperature with the relative humidity readings. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Perspiration and the resultant sweat evaporation are the body's natural thermostat, helping regulate temperature. When air moisture content is high, the cooling process through evaporation is not as efficient, leading to an ineffective body cooling process and a feeling of overheating. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.
Humidity
The average relative humidity in May is 76%.Rainfall
In May, the rain falls for 15.2 days. Throughout May, 3.35" (85mm) of precipitation is accumulated. Throughout the year, in Terra Haute, there are 187.5 rainfall days, and 40" (1016mm) of precipitation is accumulated.Snowfall
In Terra Haute, snow does not fall in February through November.Daylight
The average length of the day in May in Terra Haute is 13h and 42min.On the first day of May, sunrise is at 6:20 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 8:01 pm CDT.
Sunshine
The average sunshine in May is 9.9h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum UV index of 7 in May translates into the following recommendations:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Terra Haute, LA
- Average high temperature in May: 85.3°F
The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (59°F).
- Average low temperature in May: 66°F
The month with the highest average low temperature is August (74.7°F).
The coldest month (with the lowest average low temperature) is January (43.2°F).
Average pressure in May
Terra Haute, LA
- Average pressure in May: 29.98"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
Terra Haute, LA
- Average wind speed in May: 5.5mph
The windiest month (with the highest average wind speed) is February (6.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in May
Terra Haute, LA
- Average humidity in May: 76%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is October (73%).
Average rainfall in May
Terra Haute, LA
- Average rainfall in May: 3.35"
The wettest month (with the highest rainfall) is July (5.47").
The driest month (with the least rainfall) is November (1.93").
Average rainfall days in May
Terra Haute, LA
- Average rainfall days in May: 15.2 days
The month with the highest number of rainy days is August (23.8 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in May
Terra Haute, LA
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.2").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Terra Haute, LA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (0.3 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
Terra Haute, LA
- Average daylight in May: 13h and 42min
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 54min
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
Terra Haute, LA
- Average sunshine days in May: 14.3 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (5.9 days).
Average UV index in May
Terra Haute, LA
- Average UV index in May: 7
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in May
Terra Haute, LA
- Average cloud cover in May: 34
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
Terra Haute, LA
- Average visibility in May: 5mi
The months with the highest visibility are January, October, November and December (6mi).
The months with the lowest visibility are February, March, April, May, June, July, August and September (5mi).





