June weather forecastSaint James, MO
June
Weather in June
The first month of the summer, June, is a hot month in Saint James, Missouri, with temperature in the range of an average high of 86.5°F (30.3°C) and an average low of 64.9°F (18.3°C).Temperature
The transition to June introduces an increase in the average high-temperature, shifting from a moderately hot 76.5°F (24.7°C) in May to a tropical 86.5°F (30.3°C). Saint James undergoes a major shift from daytime highs, averaging a refreshing 64.9°F (18.3°C) during the night in June.Heat index
In June, the heat index is appraised at a sweltering 98.6°F (37°C). Adopt heightened safety measures, heat cramps and heat exhaustion may occur. Sustained activity might cause heatstroke.Heat index's context suggests values are appropriate for shady areas and slight breezes. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', reflects the feeling of heat when considering both air temperature and humidity. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
Evaporation of sweat is the main factor behind the cooling effect of perspiration in the human body. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. Overheating and potential dehydration arise when body heat gain eclipses its release capability.
Humidity
In Saint James, the average relative humidity in June is 74%.Rainfall
In June, the rain falls for 14.6 days. Throughout June, 2.6" (66mm) of precipitation is accumulated. Throughout the year, in Saint James, there are 137 rainfall days, and 24.61" (625mm) of precipitation is accumulated.Snowfall
In Saint James, snow does not fall in April through October.Daylight
The month with the longest days is June, with an average of 14h and 48min of daylight.On the first day of the month, sunrise is at 5:45 am and sunset at 8:23 pm. On the last day of June, in Saint James, sunrise is at 5:47 am and sunset at 8:33 pm CDT.
Sunshine
June and July, with an average of 10.3h of sunshine, are months with the most sunshine in Saint James.UV index
May through August, 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 health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The UV index of 6 during June translates into the following guidance:
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Saint James, MO
- Average high temperature in June: 86.5°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (39.6°F).
- Average low temperature in June: 64.9°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in June
Saint James, MO
- Average pressure in June: 29.92"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in June
Saint James, MO
- Average wind speed in June: 6.2mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in June
Saint James, MO
- Average humidity in June: 74%
The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (73%).
Average rainfall in June
Saint James, MO
- Average rainfall in June: 2.6"
The wettest month (with the highest rainfall) is April (3.19").
The driest month (with the least rainfall) is February (1.3").
Average rainfall days in June
Saint James, MO
- Average rainfall days in June: 14.6 days
The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is January (6.5 days).
Average snowfall in June
Saint James, MO
- Average snowfall in June: 0"
The months with the highest snowfall are February and December (2.09").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in June
Saint James, MO
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (7.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Saint James, MO
- Average daylight in June: 14h and 48min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in June: 10h and 18min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days in June
Saint James, MO
- Average sunshine days in June: 13.4 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (12.6 days).
Average UV index in June
Saint James, MO
- Average UV index in June: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in June
Saint James, MO
- Average cloud cover in June: 30
The months with the most cloud cover are February and March (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in June
Saint James, MO
- Average visibility in June: 6mi
The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).
