Average Weather in June in South Berwick Maine, United States
Daily high temperatures increase by 8°F, from 71°F to 78°F, rarely falling below 58°F or exceeding 88°F.
Daily low temperatures increase by 8°F, from 52°F to 60°F, rarely falling below 44°F or exceeding 67°F.
For reference, on July 26, the hottest day of the year, temperatures in South Berwick typically range from 62°F to 81°F, while on January 29, the coldest day of the year, they range from 17°F to 33°F.
Average High and Low Temperature in June
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on June. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.
Average Hourly Temperature in June
The month of June in South Berwick experiences decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 54% to 45%.
The clearest day of the month is June 30, with clear, mostly clear, or partly cloudy conditions 55% of the time.
For reference, on May 17, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 56%, while on September 2, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 64%.
Cloud Cover Categories in June
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In South Berwick, the chance of a wet day over the course of June is essentially constant, remaining around 33% throughout.
For reference, the year's highest daily chance of a wet day is 34% on June 15, and its lowest chance is 23% on January 29.
Probability of Precipitation in June
The average sliding 31-day rainfall during June in South Berwick is decreasing, starting the month at 3.6 inches, when it rarely exceeds 6.5 inches or falls below 1.5 inches, and ending the month at 3.0 inches, when it rarely exceeds 5.4 inches or falls below 1.4 inches.
The highest average 31-day accumulation is 3.6 inches on June 3.
Average Monthly Rainfall in June
Over the course of June in South Berwick, the length of the day is essentially constant. The shortest day of the month is June 1, with 15 hours, 10 minutes of daylight and the longest day is June 21, with 15 hours, 24 minutes of daylight.
Hours of Daylight and Twilight in June
The earliest sunrise of the month in South Berwick is 5:02 AM on June 15 and the latest sunrise is 4 minutes later at 5:06 AM on June 30.
The earliest sunset is 8:16 PM on June 1 and the latest sunset is 11 minutes later at 8:27 PM on June 27.
Daylight saving time is observed in South Berwick during 2018, but it neither starts nor ends during June, so the entire month is in daylight saving time.
For reference, on June 21, the longest day of the year, the Sun rises at 5:03 AM and sets 15 hours, 24 minutes later, at 8:26 PM, while on December 21, the shortest day of the year, it rises at 7:12 AM and sets 8 hours, 59 minutes later, at 4:10 PM.
Sunrise & Sunset with Twilight in June
The chance that a given day will be muggy in South Berwick is rapidly increasing during June, rising from 3% to 16% over the course of the month.
For reference, on July 30, the muggiest day of the year, there are muggy conditions 29% of the time, while on November 12, the least muggy day of the year, there are muggy conditions 0% of the time.
Humidity Comfort Levels in June
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The average hourly wind speed in South Berwick is gradually decreasing during June, decreasing from 5.7 miles per hour to 5.1 miles per hour over the course of the month.
For reference, on February 20, the windiest day of the year, the daily average wind speed is 9.4 miles per hour, while on July 31, the calmest day of the year, the daily average wind speed is 4.8 miles per hour.
Average Wind Speed in June
Wind Direction in June
South Berwick is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.
The average surface water temperature in South Berwick is rapidly increasing during June, rising by 8°F, from 52°F to 59°F, over the course of the month.
Average Water Temperature in June
The growing season in South Berwick typically lasts for 5.8 months (176 days), from around April 23 to around October 17, rarely starting before April 6 or after May 12, and rarely ending before September 29 or after November 4.
The month of June in South Berwick is reliably fully within the growing season.
Time Spent in Various Temperature Bands and the Growing Season in June
The average accumulated growing degree days in South Berwick are increasing during June, increasing by 430°F, from 324°F to 754°F, over the course of the month.
Growing Degree Days in June
The average daily incident shortwave solar energy in South Berwick is gradually increasing during June, rising by 0.5 kWh, from 6.2 kWh to 6.8 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in June
For the purposes of this report, the geographical coordinates of South Berwick are 43.235 deg latitude, -70.810 deg longitude, and 118 ft elevation.
The topography within 2 miles of South Berwick contains only modest variations in elevation, with a maximum elevation change of 282 feet and an average elevation above sea level of 108 feet. Within 10 miles contains only modest variations in elevation (686 feet). Within 50 miles contains significant variations in elevation (2,943 feet).
The area within 2 miles of South Berwick is covered by trees (60%), artificial surfaces (26%), and cropland (13%), within 10 miles by trees (75%) and artificial surfaces (16%), and within 50 miles by trees (50%) and water (37%).
This report illustrates the typical weather in South Berwick year round, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.
Temperature and Dew Point
There are 3 weather stations near enough to contribute to our estimation of the temperature and dew point in South Berwick.
For each station, the records are corrected for the elevation difference between that station and South Berwick according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.
The estimated value at South Berwick is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between South Berwick and a given station.
The stations contributing to this reconstruction are: Skyhaven Airport (48%, 10 kilometers, northwest); Portsmouth International Airport at Pease (29%, 17 kilometers, south); and Sanford Seacoast Regional Airport (23%, 20 kilometers, northeast).
Time zones for aiports and weather stations are provided by AskGeo.com .