June weather forecast
Annapolis, IL

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Weather in June

June, the first month of the summer in Annapolis, is still a warm month, with an average temperature varying between 65.3°F (18.5°C) and 81.9°F (27.7°C).

Temperature

As May transitions into June, a subtle temperature shift is observed, with average highs adjusting from 73.8°F (23.2°C) to a still moderately hot 81.9°F (27.7°C). Annapolis, in June, observes a steady average low-temperature of 65.3°F (18.5°C).

Heat index

In June, the average heat index is computed to be a hot 87.8°F (31°C). Enduring exposure and continuous activity might cause a feeling of tiredness and induce heat cramps.
When referencing the heat index, its values are suitable for shady environments and light breezes. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.

Humidity

In June, the average relative humidity is 78%.

Rainfall

In June, the rain falls for 14.3 days. Throughout June, 2.8" (71mm) of precipitation is accumulated. In Annapolis, during the entire year, the rain falls for 147.2 days and collects up to 27.87" (708mm) of precipitation.

Snowfall

May through October are months without snowfall in Annapolis.

Daylight

The month with the longest days in Annapolis is June, with an average of 14h and 54min of daylight.
On the first day of June in Annapolis, sunrise is at 5:26 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 5:28 am and sunset at 8:21 pm CDT.

Sunshine

The month with the most sunshine is June, with an average of 10.3h of sunshine.

UV index

The months with the highest UV index in Annapolis are May through August, with an average maximum UV index of 6. 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 6 in June translates into the following recommendations:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Annapolis in June?

In Annapolis, in June, the average high-temperature is 81.9°F (27.7°C), and the average low-temperature is 65.3°F (18.5°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in June is computed to be 87.8°F (31°C).

What is the average humidity in June in Annapolis?

In June, the average relative humidity in Annapolis, Illinois, is 78%.

How many days does it rain in June in Annapolis?

In Annapolis, Illinois, during June, the rain falls for 14.3 days and regularly aggregates up to 2.8" (71mm) of precipitation.

When it does not snow in Annapolis?

In Annapolis, Illinois, snow does not fall in May through October.

When are the longest days in Annapolis?

The month with the longest days in Annapolis is June, with an average of 14h and 54min of daylight.

How many hours of daylight does Annapolis have in June?

In Annapolis, Illinois, the average day length in June is 14h and 53min.

When are sunrise and sunset in June in Annapolis?

In June, on the first day of the month, sunrise is at 5:26 am and sunset at 8:11 pm. On the last day of the month, in Annapolis, Illinois, sunrise is at 5:28 am and sunset at 8:21 pm CDT.

What month has the most sunshine in Annapolis?

June has the most sunshine of the year, with an average of 10.3h of sunshine.

How many hours of sunshine does Annapolis have in June?

In Annapolis, Illinois, the average sunshine duration in June is 10.3h.

What are the months with the highest UV index in Annapolis?

May through August, with an average maximum UV index of 6, are months with the highest UV index in Annapolis, Illinois.

How high is the UV index in June in Annapolis?

In June, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high hazard to health 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 June
Annapolis, IL

Average temperature in June - Annapolis, IL
  • Average high temperature in June: 81.9°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (36°F).

  • Average low temperature in June: 65.3°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

Average pressure in June
Annapolis, IL

Average pressure in June - Annapolis, IL
  • Average pressure in June: 29.93"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in June
Annapolis, IL

Average wind speed in June - Annapolis, IL
  • Average wind speed in June: 7.1mph

The windiest months (with the highest average wind speed) are January and February (10.1mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).

Average humidity in June
Annapolis, IL

Average humidity in June - Annapolis, IL
  • Average humidity in June: 78%

The months with the highest relative humidity are July and August (81%).
The month with the lowest relative humidity is October (71%).

Average rainfall in June
Annapolis, IL

Average rainfall in June - Annapolis, IL
  • Average rainfall in June: 2.8"

The wettest month (with the highest rainfall) is April (4.13").
The driest month (with the least rainfall) is September (1.46").

Average rainfall days in June
Annapolis, IL

Average rainfall days in June - Annapolis, IL
  • Average rainfall days in June: 14.3 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (8.3 days).

Average snowfall in June
Annapolis, IL

Average snowfall in June - Annapolis, IL
  • Average snowfall in June: 0"

The month with the highest snowfall is January (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in June
Annapolis, IL

Average snowfall days in June - Annapolis, IL
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in June /
Average sunshine in June
Annapolis, IL

Average daylight in June / Average sunshine in June - Annapolis, IL
  • Average daylight in June: 14h and 5min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in June: 10h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in June
Annapolis, IL

Average sunshine days in June - Annapolis, IL
  • Average sunshine days in June: 11.9 days

The month with the most sunshine days is October (18.7 days).
The month with the least sunshine days is May (10.8 days).

Average UV index in June
Annapolis, IL

Average UV index in June - Annapolis, IL
  • 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, November and December (UV index 2).

Average cloud cover in June
Annapolis, IL

Average cloud cover in June - Annapolis, IL
  • Average cloud cover in June: 30

The months with the most cloud cover are January and February (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in June
Annapolis, IL

Average visibility in June - Annapolis, IL
  • Average visibility in June: 6mi

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

Annapolis, Illinois, USA

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