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3. Hawaii
4. Honolulu County
5. Marine Corps Base Hawaii - MCBH
6. February

Average Weather in February in Marine Corps Base Hawaii - MCBH Hawaii, United States

Daily high temperatures are around 78°F, rarely falling below 75°F or exceeding 82°F. The lowest daily average high temperature is 78°F on February 2.

Daily low temperatures are around 70°F, rarely falling below 65°F or exceeding 73°F.

For reference, on September 3, the hottest day of the year, temperatures in Marine Corps Base Hawaii - MCBH typically range from 77°F to 84°F, while on January 27, the coldest day of the year, they range from 70°F to 78°F.

The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on February. 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.

Belmonte, Brazil (8,449 miles away) and Levuka, Fiji (3,144 miles) are the far-away foreign places with temperatures most similar to Marine Corps Base Hawaii - MCBH (view comparison).

The month of February in Marine Corps Base Hawaii - MCBH experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 24% throughout the month.

The clearest day of the month is February 11, with clear, mostly clear, or partly cloudy conditions 78% of the time.

For reference, on October 31, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 41%, while on January 18, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 79%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Marine Corps Base Hawaii - MCBH, the chance of a wet day over the course of February is gradually decreasing, starting the month at 23% and ending it at 21%.

For reference, the year's highest daily chance of a wet day is 25% on January 11, and its lowest chance is 5% on June 20.

Rainfall

To show variation within the month and not just the monthly total, we show the rainfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day rainfall during February in Marine Corps Base Hawaii - MCBH is essentially constant, remaining about 2.0 inches throughout, and rarely exceeding 6.2 inches.

Over the course of February in Marine Corps Base Hawaii - MCBH, the length of the day is gradually increasing. From the start to the end of the month, the length of the day increases by 30 minutes, implying an average daily increase of 1 minute, 7 seconds, and weekly increase of 7 minutes, 46 seconds.

The shortest day of the month is February 1, with 11 hours, 13 minutes of daylight and the longest day is February 28, with 11 hours, 43 minutes of daylight.

The latest sunrise of the month in Marine Corps Base Hawaii - MCBH is 7:08 AM on February 1 and the earliest sunrise is 16 minutes earlier at 6:52 AM on February 28.

The earliest sunset is 6:21 PM on February 1 and the latest sunset is 14 minutes later at 6:34 PM on February 28.

Daylight saving time is not observed in Marine Corps Base Hawaii - MCBH during 2018.

For reference, on June 21, the longest day of the year, the Sun rises at 5:49 AM and sets 13 hours, 26 minutes later, at 7:16 PM, while on December 21, the shortest day of the year, it rises at 7:04 AM and sets 10 hours, 50 minutes later, at 5:54 PM.

We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night.

The chance that a given day will be muggy in Marine Corps Base Hawaii - MCBH is gradually decreasing during February, falling from 43% to 40% over the course of the month.

For reference, on August 25, the muggiest day of the year, there are muggy conditions 98% of the time, while on March 6, the least muggy day of the year, there are muggy conditions 39% of the time.

This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.

The average hourly wind speed in Marine Corps Base Hawaii - MCBH is gradually increasing during February, increasing from 12.9 miles per hour to 13.8 miles per hour over the course of the month.

For reference, on July 3, the windiest day of the year, the daily average wind speed is 16.9 miles per hour, while on January 10, the calmest day of the year, the daily average wind speed is 12.5 miles per hour.

Marine Corps Base Hawaii - MCBH 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 Marine Corps Base Hawaii - MCBH is essentially constant during February, remaining around 75°F throughout.

Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).

Temperatures in Marine Corps Base Hawaii - MCBH are sufficiently warm year round that it is not entirely meaningful to discuss the growing season in these terms. We nevertheless include the chart below as an illustration of the distribution of temperatures experienced throughout the year.

Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.

The average accumulated growing degree days in Marine Corps Base Hawaii - MCBH are rapidly increasing during February, increasing by 626°F, from 731°F to 1,357°F, over the course of the month.

This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.

The average daily incident shortwave solar energy in Marine Corps Base Hawaii - MCBH is gradually increasing during February, rising by 0.8 kWh, from 5.0 kWh to 5.8 kWh, over the course of the month.

For the purposes of this report, the geographical coordinates of Marine Corps Base Hawaii - MCBH are 21.443 deg latitude, -157.750 deg longitude, and 0 ft elevation.

The topography within 2 miles of Marine Corps Base Hawaii - MCBH contains significant variations in elevation, with a maximum elevation change of 620 feet and an average elevation above sea level of 28 feet. Within 10 miles contains significant variations in elevation (3,117 feet). Within 50 miles contains large variations in elevation (4,117 feet).

The area within 2 miles of Marine Corps Base Hawaii - MCBH is covered by water (48%) and artificial surfaces (42%), within 10 miles by water (62%) and trees (22%), and within 50 miles by water (91%).