June weather forecast
Saint John, WA

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Weather in June

June, the first month of the summer in Saint John, is a pleasant month, with an average temperature fluctuating between 72.1°F (22.3°C) and 49.8°F (9.9°C).

Temperature

Saint John's transition into June sees a mild rise in the average high-temperature, edging from a comfortable 65.7°F (18.7°C) in May to a pleasant 72.1°F (22.3°C). The month of June sees a significant daily temperature drop, recording an average low-temperature of 49.8°F (9.9°C).

Humidity

In June, the average relative humidity is 57%.

Rainfall

In Saint John, in June, during 7.7 rainfall days, 0.59" (15mm) of precipitation is typically accumulated. In Saint John, during the entire year, the rain falls for 84.3 days and collects up to 7.24" (184mm) of precipitation.

Snowfall

June through August and October are months without snowfall.

Daylight

The month with the longest days is June, with an average of 15h and 48min of daylight.
On the first day of the month, sunrise is at 4:58 am and sunset at 8:38 pm. On the last day of June, sunrise is at 4:58 am and sunset at 8:49 pm PDT.

Sunshine

In June, the average sunshine is 10.9h.

UV index

In Saint John, the average daily maximum UV index in June is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index, 5 during June, leads to the following recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Updated: Jul 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average June temperature?

An average high-temperature, in June, in Saint John, is 72.1°F (22.3°C) and the average low-temperature is 49.8°F (9.9°C).

What is the average humidity in June?

In Saint John, the average relative humidity in June is 57%.

How many days does it rain in June?

In Saint John, Washington, during June, the rain falls for 7.7 days and regularly aggregates up to 0.59" (15mm) of precipitation.

When it does not snow?

June through August and October are months without snowfall.

Does it snow in June?

In June, it doesn't snow. May is the latest month when it typically snows.

When are the longest days?

June has the longest days of the year, with an average of 15h and 48min of daylight.

What is the average length of the day in June?

The average day length in June is 15h and 51min.

When are sunrise and sunset in June in Saint John?

On the first day of June, sunrise is at 4:58 am and sunset at 8:38 pm. On the last day of the month, sunrise is at 4:58 am and sunset at 8:49 pm PDT.

How long on average sun shines in June?

In Saint John, the average sunshine duration in June is 10.9h.

What is the UV index intensity in June?

In Saint John, the average daily maximum UV index in June is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.
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
Saint John, WA

Average temperature in June - Saint John, WA
  • Average high temperature in June: 72.1°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is December (33.1°F).

  • Average low temperature in June: 49.8°F

The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is December (23.9°F).

Average pressure in June
Saint John, WA

Average pressure in June - Saint John, WA
  • Average pressure in June: 29.91"Hg

The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.9"Hg).

Average wind speed in June
Saint John, WA

Average wind speed in June - Saint John, WA
  • Average wind speed in June: 7.5mph

The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

Average humidity in June
Saint John, WA

Average humidity in June - Saint John, WA
  • Average humidity in June: 57%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (36%).

Average rainfall in June
Saint John, WA

Average rainfall in June - Saint John, WA
  • Average rainfall in June: 0.59"

The wettest months (with the highest rainfall) are January and May (0.91").
The driest month (with the least rainfall) is July (0.16").

Average rainfall days in June
Saint John, WA

Average rainfall days in June - Saint John, WA
  • Average rainfall days in June: 7.7 days

The month with the highest number of rainy days is March (10.1 days).
The month with the least rainy days is July (3.5 days).

Average snowfall in June
Saint John, WA

Average snowfall in June - Saint John, WA
  • Average snowfall in June: 0"

The month with the highest snowfall is February (3.82").
The months with the least snowfall are June, July, August and October (0").

Average snowfall days in June
Saint John, WA

Average snowfall days in June - Saint John, WA
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is December (9.3 days).
The months with the least snowfall days are June, July, August and October (0 days).

Average daylight in June /
Average sunshine in June
Saint John, WA

Average daylight in June / Average sunshine in June - Saint John, WA
  • Average daylight in June: 15h and 5min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in June: 10h and 5min

The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).

Average sunshine days in June
Saint John, WA

Average sunshine days in June - Saint John, WA
  • Average sunshine days in June: 21 days

The month with the most sunshine days is July (26.6 days).
The month with the least sunshine days is February (15.9 days).

Average UV index in June
Saint John, WA

Average UV index in June - Saint John, WA
  • Average UV index in June: 5

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in June
Saint John, WA

Average cloud cover in June - Saint John, WA
  • Average cloud cover in June: 25

The months with the most cloud cover are January and December (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 11).

Average visibility in June
Saint John, WA

Average visibility in June - Saint John, WA
  • Average visibility in June: 6mi

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

Saint John, Washington, USA

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