February Weather in Gulou China

Daily high temperatures increase by 9°F, from 41°F to 51°F, rarely falling below 31°F or exceeding 62°F.

Daily low temperatures increase by 8°F, from 27°F to 35°F, rarely falling below 20°F or exceeding 43°F.

For reference, on July 15, the hottest day of the year, temperatures in Gulou typically range from 76°F to 89°F, while on January 11, the coldest day of the year, they range from 25°F to 39°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.

Hazelwood, United States (6,983 miles away) and Karaj, Iran (3,556 miles) are the far-away foreign places with temperatures most similar to Gulou (view comparison).

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The month of February in Gulou experiences gradually increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 37% to 42%.

The clearest day of the month is February 1, with clear, mostly clear, or partly cloudy conditions 63% of the time.

For reference, on March 26, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 44%, while on December 17, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 71%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Gulou, the chance of a wet day over the course of February is gradually increasing, starting the month at 2% and ending it at 5%.

For reference, the year's highest daily chance of a wet day is 40% on July 22, and its lowest chance is 2% on January 14.

Over the course of February in Gulou, the chance of a day with only rain increases from 1% to 4%, the chance of a day with mixed snow and rain remains an essentially constant 1% throughout, and the chance of a day with only snow remains an essentially constant 1% throughout.

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 Gulou is essentially constant, remaining about 0.2 inches throughout, and rarely exceeding 0.9 inches or falling below -0.0 inches.

Over the course of February in Gulou, the length of the day is increasing. From the start to the end of the month, the length of the day increases by 59 minutes, implying an average daily increase of 2 minutes, 6 seconds, and weekly increase of 14 minutes, 45 seconds.

The shortest day of the month is February 1, with 10 hours, 23 minutes of daylight and the longest day is February 29, with 11 hours, 22 minutes of daylight.

The latest sunrise of the month in Gulou is 7:18 AM on February 1 and the earliest sunrise is 30 minutes earlier at 6:47 AM on February 29.

The earliest sunset is 5:41 PM on February 1 and the latest sunset is 29 minutes later at 6:09 PM on February 29.

Daylight saving time is not observed in Gulou during 2024.

For reference, on June 20, the longest day of the year, the Sun rises at 4:58 AM and sets 14 hours, 39 minutes later, at 7:37 PM, while on December 21, the shortest day of the year, it rises at 7:24 AM and sets 9 hours, 40 minutes later, at 5:04 PM.

The figure below presents a compact representation of the sun's elevation (the angle of the sun above the horizon) and azimuth (its compass bearing) for every hour of every day in the reporting period. The horizontal axis is the day of the year and the vertical axis is the hour of the day. For a given day and hour of that day, the background color indicates the azimuth of the sun at that moment. The black isolines are contours of constant solar elevation.

The figure below presents a compact representation of key lunar data for February 2024. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon.

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 Gulou is essentially constant during February, remaining around 0% throughout.

For reference, on July 27, the muggiest day of the year, there are muggy conditions 92% of the time, while on January 1, the least muggy day of the year, there are muggy conditions 0% 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 Gulou is increasing during February, increasing from 8.1 miles per hour to 9.3 miles per hour over the course of the month.

For reference, on April 26, the windiest day of the year, the daily average wind speed is 10.5 miles per hour, while on August 28, the calmest day of the year, the daily average wind speed is 6.6 miles per hour.

The hourly average wind direction in Gulou throughout February is predominantly from the south, with a peak proportion of 41% on February 26.

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).

The growing season in Gulou typically lasts for 8.1 months (250 days), from around March 13 to around November 17, rarely starting before February 25 or after March 30, and rarely ending before November 1 or after December 3.

The month of February in Gulou is more likely than not fully outside of the growing season, with the chance that a given day is in the growing season increasing from 0% to 18% over the course of the month.

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 Gulou are essentially constant during February, remaining within 9°F of 11°F throughout.

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 Gulou is gradually increasing during February, rising by 1.0 kWh, from 3.1 kWh to 4.1 kWh, over the course of the month.

For the purposes of this report, the geographical coordinates of Gulou are 36.444 deg latitude, 115.964 deg longitude, and 135 ft elevation.

The topography within 2 miles of Gulou is essentially flat, with a maximum elevation change of 85 feet and an average elevation above sea level of 111 feet. Within 10 miles is essentially flat (105 feet). Within 50 miles contains only modest variations in elevation (1,791 feet).

The area within 2 miles of Gulou is covered by artificial surfaces (60%), cropland (25%), and water (14%), within 10 miles by cropland (74%) and artificial surfaces (20%), and within 50 miles by cropland (75%) and artificial surfaces (16%).