June weather forecast
San Mateo, SC

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Weather in June

June, the first month of the summer in San Mateo, is a hot month, with an average temperature varying between 66.4°F (19.1°C) and 88°F (31.1°C).

Temperature

The start of June signals a slight increase in the average high-temperature, moving from a moderately hot 80.1°F (26.7°C) in May to a hot 88°F (31.1°C). San Mateo's June nights bring a significant temperature shift, averaging at a refreshing 66.4°F (19.1°C).

Heat index

For most parts of June, the heat index is appraised at a torrid 100.4°F (38°C). Exercise more precautions, heat cramps and heat exhaustion are potential risks. Continuous activity could precipitate heatstroke.
Be informed that the heat index values are oriented around shady conditions and gentle breezes. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
In response to overheating, the human body perspires to cool down, mainly through the evaporation of sweat. When the air contains significant moisture, the efficiency of the evaporation process decreases, preventing the body from cooling down effectively and creating a feeling of overheating. Exceeding the body's heat disposal threshold results in a rise in body temperature and potential thermal disorders.

Humidity

In San Mateo, the average relative humidity in June is 71%.

Rainfall

In San Mateo, in June, during 12.4 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. Throughout the year, there are 136.3 rainfall days, and 19.02" (483mm) of precipitation is accumulated.

Snowfall

April through November are months without snowfall.

Daylight

The month with the longest days in San Mateo is June, with an average of 14h and 24min of daylight.
On the first day of the month, sunrise is at 6:19 am and sunset at 8:38 pm. On the last day of June, in San Mateo, sunrise is at 6:21 am and sunset at 8:47 pm EDT.

Sunshine

The average sunshine in June is 10.7h.

UV index

June is the month with the highest UV index in San Mateo, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum high daily UV index of 7 during June translates into the following directions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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. Experience reduced UV exposure by about half when donning a wide-brim hat.
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Frequently asked questions

How hot does it get in San Mateo in June?

San Mateo in June has an average high-temperature of 88°F (31.1°C) and an average low-temperature of 66.4°F (19.1°C). In June, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is appraised at 100.4°F (38°C).

What is the average humidity in June in San Mateo?

In June, the average relative humidity is 71%.

How much does it rain in San Mateo in June?

In June, in San Mateo, South Carolina, the rain falls for 12.4 days. Throughout June, 1.85" (47mm) of precipitation is accumulated.

When it does not snow in San Mateo?

April through November are months without snowfall in San Mateo.

When are the longest days in San Mateo?

With an average of 14h and 24min of daylight, June has the longest days of the year in San Mateo.

What is the average length of the day in June in San Mateo?

In San Mateo, South Carolina, the average day length in June is 14h and 26min.

When is the sunrise / sunset in June in San Mateo?

On the first day of June in San Mateo, sunrise is at 6:19 am and sunset at 8:38 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 8:47 pm EDT.

How long on average sun shines in June in San Mateo?

In June, the average sunshine duration is 10.7h.

What is the month with the highest UV index in San Mateo?

With an average maximum UV index of 7, June is the month with the highest UV index in San Mateo, South Carolina.

How high is the UV index in June in San Mateo?

In San Mateo, the average daily maximum UV index in June is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's 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 June
San Mateo, SC

Average temperature in June - San Mateo, SC
  • Average high temperature in June: 88°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (50.2°F).

  • Average low temperature in June: 66.4°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (34.5°F).

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Average pressure in June
San Mateo, SC

Average pressure in June - San Mateo, SC
  • Average pressure in June: 29.99"Hg

The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

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Average wind speed in June
San Mateo, SC

Average wind speed in June - San Mateo, SC
  • Average wind speed in June: 5.1mph

The windiest month (with the highest average wind speed) is February (7mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

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Average humidity in June
San Mateo, SC

Average humidity in June - San Mateo, SC
  • Average humidity in June: 71%

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (69%).

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Average rainfall in June
San Mateo, SC

Average rainfall in June - San Mateo, SC
  • Average rainfall in June: 1.85"

The wettest month (with the highest rainfall) is August (2.28").
The driest month (with the least rainfall) is September (0.79").

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Average rainfall days in June
San Mateo, SC

Average rainfall days in June - San Mateo, SC
  • Average rainfall days in June: 12.4 days

The month with the highest number of rainy days is July (15.4 days).
The month with the least rainy days is October (7.2 days).

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Average snowfall in June
San Mateo, SC

Average snowfall in June - San Mateo, SC
  • Average snowfall in June: 0"

The month with the highest snowfall is February (0.31").
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 June
San Mateo, SC

Average snowfall days in June - San Mateo, SC
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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Average daylight in June /
Average sunshine in June
San Mateo, SC

Average daylight in June / Average sunshine in June - San Mateo, SC
  • Average daylight in June: 14h and 2min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in June: 10h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

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Average sunshine days in June
San Mateo, SC

Average sunshine days in June - San Mateo, SC
  • Average sunshine days in June: 15.6 days

The month with the most sunshine days is October (22.6 days).
The month with the least sunshine days is July (14.3 days).

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Average UV index in June
San Mateo, SC

Average UV index in June - San Mateo, SC
  • Average UV index in June: 7

The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

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Average cloud cover in June
San Mateo, SC

Average cloud cover in June - San Mateo, SC
  • Average cloud cover in June: 29

The month with the most cloud cover is February (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 29).

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Average visibility in June
San Mateo, SC

Average visibility in June - San Mateo, SC
  • Average visibility in June: 6mi

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

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San Mateo, South Carolina, USA

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