Climate and Average Weather Year Round in Huiyi China

In Huiyi, the wet season is warm, humid, and mostly cloudy and the dry season is cool and mostly clear. Over the course of the year, the temperature typically varies from 34°F to 88°F and is rarely below 29°F or above 95°F.

Based on the tourism score, the best times of year to visit Huiyi for warm-weather activities are from late April to mid June and from early September to mid October.

The hot season lasts for 4.3 months, from May 5 to September 14, with an average daily high temperature above 80°F. The hottest month of the year in Huiyi is July, with an average high of 87°F and low of 71°F.

The cool season lasts for 2.8 months, from November 27 to February 20, with an average daily high temperature below 59°F. The coldest month of the year in Huiyi is January, with an average low of 35°F and high of 52°F.

In Huiyi, the average percentage of the sky covered by clouds experiences significant seasonal variation over the course of the year.

The clearer part of the year in Huiyi begins around September 23 and lasts for 8.2 months, ending around May 29.

The clearest month of the year in Huiyi is January, during which on average the sky is clear, mostly clear, or partly cloudy 76% of the time.

The cloudier part of the year begins around May 29 and lasts for 3.8 months, ending around September 23.

The cloudiest month of the year in Huiyi is July, during which on average the sky is overcast or mostly cloudy 68% of the time.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The chance of wet days in Huiyi varies significantly throughout the year.

The wetter season lasts 5.6 months, from April 19 to October 5, with a greater than 27% chance of a given day being a wet day. The month with the most wet days in Huiyi is July, with an average of 15.1 days with at least 0.04 inches of precipitation.

The drier season lasts 6.4 months, from October 5 to April 19. The month with the fewest wet days in Huiyi is January, with an average of 0.9 days with at least 0.04 inches of precipitation.

Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. The month with the most days of rain alone in Huiyi is July, with an average of 15.1 days. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 51% on June 29.

Rainfall

To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. Huiyi experiences extreme seasonal variation in monthly rainfall.

The rainy period of the year lasts for 8.1 months, from March 9 to November 13, with a sliding 31-day rainfall of at least 0.5 inches. The month with the most rain in Huiyi is July, with an average rainfall of 6.3 inches.

The rainless period of the year lasts for 3.9 months, from November 13 to March 9. The month with the least rain in Huiyi is January, with an average rainfall of 0.1 inches.

The length of the day in Huiyi varies over the course of the year. In 2024, the shortest day is December 21, with 10 hours, 19 minutes of daylight; the longest day is June 21, with 13 hours, 58 minutes of daylight.

The earliest sunrise is at 6:04 AM on June 10, and the latest sunrise is 1 hour, 52 minutes later at 7:57 AM on January 11. The earliest sunset is at 6:05 PM on December 1, and the latest sunset is 1 hour, 59 minutes later at 8:05 PM on July 1.

Daylight saving time (DST) is not observed in Huiyi during 2024.

The figure below presents a compact representation of key lunar data for 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.

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.

Huiyi experiences extreme seasonal variation in the perceived humidity.

The muggier period of the year lasts for 3.7 months, from May 29 to September 20, during which time the comfort level is muggy, oppressive, or miserable at least 22% of the time. The month with the most muggy days in Huiyi is July, with 26.2 days that are muggy or worse.

The least muggy day of the year is February 8, when muggy conditions are essentially unheard of.

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 Huiyi experiences mild seasonal variation over the course of the year.

The windier part of the year lasts for 3.9 months, from February 17 to June 13, with average wind speeds of more than 5.0 miles per hour. The windiest month of the year in Huiyi is April, with an average hourly wind speed of 5.7 miles per hour.

The calmer time of year lasts for 8.1 months, from June 13 to February 17. The calmest month of the year in Huiyi is December, with an average hourly wind speed of 4.3 miles per hour.

The predominant average hourly wind direction in Huiyi is from the north throughout the year.

To characterize how pleasant the weather is in Huiyi throughout the year, we compute two travel scores.

The tourism score favors clear, rainless days with perceived temperatures between 65°F and 80°F. Based on this score, the best times of year to visit Huiyi for general outdoor tourist activities are from late April to mid June and from early September to mid October, with a peak score in the third week of May.

The beach/pool score favors clear, rainless days with perceived temperatures between 75°F and 90°F. Based on this score, the best time of year to visit Huiyi for hot-weather activities is from early July to late August, with a peak score in the last week of July.

Methodology

For each hour between 8:00 AM and 9:00 PM of each day in the analysis period (1980 to 2016), independent scores are computed for perceived temperature, cloud cover, and total precipitation. Those scores are combined into a single hourly composite score, which is then aggregated into days, averaged over all the years in the analysis period, and smoothed.

Our cloud cover score is 10 for fully clear skies, falling linearly to 9 for mostly clear skies, and to 1 for fully overcast skies.

Our precipitation score, which is based on the three-hour precipitation centered on the hour in question, is 10 for no precipitation, falling linearly to 9 for trace precipitation, and to 0 for 0.04 inches of precipitation or more.

Our tourism temperature score is 0 for perceived temperatures below 50°F, rising linearly to 9 for 65°F, to 10 for 75°F, falling linearly to 9 for 80°F, and to 1 for 90°F or hotter.

Our beach/pool temperature score is 0 for perceived temperatures below 65°F, rising linearly to 9 for 75°F, to 10 for 82°F, falling linearly to 9 for 90°F, and to 1 for 100°F or hotter.

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 Huiyi typically lasts for 10 months (318 days), from around February 5 to around December 19, rarely starting after March 2, or ending before November 29.

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.

Based on growing degree days alone, the first spring blooms in Huiyi should appear around March 1, only rarely appearing before February 18 or after March 14.

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 experiences significant seasonal variation over the course of the year.

The brighter period of the year lasts for 4.3 months, from April 6 to August 15, with an average daily incident shortwave energy per square meter above 5.6 kWh. The brightest month of the year in Huiyi is May, with an average of 6.2 kWh.

The darker period of the year lasts for 3.1 months, from October 25 to January 29, with an average daily incident shortwave energy per square meter below 3.6 kWh. The darkest month of the year in Huiyi is December, with an average of 3.0 kWh.

For the purposes of this report, the geographical coordinates of Huiyi are 28.617 deg latitude, 104.217 deg longitude, and 2,667 ft elevation.

The topography within 2 miles of Huiyi contains large variations in elevation, with a maximum elevation change of 3,045 feet and an average elevation above sea level of 2,167 feet. Within 10 miles contains large variations in elevation (5,404 feet). Within 50 miles also contains extreme variations in elevation (9,039 feet).

The area within 2 miles of Huiyi is covered by grassland (40%), trees (22%), cropland (22%), and shrubs (16%), within 10 miles by trees (53%) and cropland (24%), and within 50 miles by trees (50%) and cropland (28%).