Average Weather in Moapa Valley Nevada, United States
In Moapa Valley, the summers are sweltering and mostly clear, the winters are cold and partly cloudy, and it is dry year round. Over the course of the year, the temperature typically varies from 37°F to 106°F and is rarely below 29°F or above 113°F.
Based on the beach/pool score, the best time of year to visit Moapa Valley for hot-weather activities is from early June to mid September.
The hot season lasts for 3.5 months, from June 1 to September 17, with an average daily high temperature above 97°F. The hottest day of the year is July 12, with an average high of 106°F and low of 81°F.
The cool season lasts for 3.1 months, from November 19 to February 23, with an average daily high temperature below 67°F. The coldest day of the year is January 3, with an average low of 37°F and high of 58°F.
Average High and Low Temperature
The figure below shows you a compact characterization of the entire year of hourly average temperatures. The horizontal axis is the day of the year, 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 Moapa Valley, 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 Moapa Valley begins around May 4 and lasts for 5.9 months, ending around November 2. On September 18, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 86% of the time, and overcast or mostly cloudy 14% of the time.
The cloudier part of the year begins around November 2 and lasts for 6.1 months, ending around May 4. On February 23, the cloudiest day of the year, the sky is overcast or mostly cloudy 41% of the time, and clear, mostly clear, or partly cloudy 59% of the time.
Cloud Cover Categories
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. The chance of wet days in Moapa Valley varies throughout the year.
The wetter season lasts 8.5 months, from July 10 to March 24, with a greater than 8% chance of a given day being a wet day. The chance of a wet day peaks at 13% on February 24.
The drier season lasts 3.5 months, from March 24 to July 10. The smallest chance of a wet day is 2% on June 14.
Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 13% on February 24.
Daily Chance of Precipitation
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. Moapa Valley experiences some seasonal variation in monthly rainfall.
The rainy period of the year lasts for 3.3 months, from December 10 to March 20, with a sliding 31-day rainfall of at least 0.5 inches. The most rain falls during the 31 days centered around February 21, with an average total accumulation of 0.8 inches.
The rainless period of the year lasts for 8.7 months, from March 20 to December 10. The least rain falls around June 13, with an average total accumulation of 0.1 inches.
Average Monthly Rainfall
The length of the day in Moapa Valley varies significantly over the course of the year. In 2021, the shortest day is December 21, with 9 hours, 40 minutes of daylight; the longest day is June 20, with 14 hours, 40 minutes of daylight.
Hours of Daylight and Twilight
The earliest sunrise is at 5:18 AM on June 13, and the latest sunrise is 1 hour, 48 minutes later at 7:06 AM on November 6. The earliest sunset is at 4:21 PM on December 6, and the latest sunset is 3 hours, 38 minutes later at 8:00 PM on June 28.
Daylight saving time (DST) is observed in Moapa Valley during 2021, starting in the spring on March 14, lasting 7.8 months, and ending in the fall on November 7.
Sunrise & Sunset with Twilight and Daylight Saving Time
The figure below presents a compact representation of key lunar data for 2021. 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.
Moon Rise, Set & Phases
The perceived humidity level in Moapa Valley, as measured by the percentage of time in which the humidity comfort level is muggy, oppressive, or miserable, does not vary significantly over the course of the year, staying within 3% of 3% throughout.
Humidity Comfort Levels
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The average hourly wind speed in Moapa Valley experiences mild seasonal variation over the course of the year.
The windier part of the year lasts for 4.0 months, from March 17 to July 17, with average wind speeds of more than 7.5 miles per hour. The windiest day of the year is June 10, with an average hourly wind speed of 8.4 miles per hour.
The calmer time of year lasts for 8.0 months, from July 17 to March 17. The calmest day of the year is October 12, with an average hourly wind speed of 6.6 miles per hour.
Average Wind Speed
The predominant average hourly wind direction in Moapa Valley varies throughout the year.
The wind is most often from the south for 7.4 months, from February 28 to October 10, with a peak percentage of 73% on July 20. The wind is most often from the north for 4.6 months, from October 10 to February 28, with a peak percentage of 56% on January 1.
Best Time of Year to Visit
To characterize how pleasant the weather is in Moapa Valley 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 Moapa Valley 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 last week of September.
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 Moapa Valley for hot-weather activities is from early June to mid September, with a peak score in the last week of June.
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.
The growing season in Moapa Valley typically lasts for 10 months (304 days), from around February 3 to around December 4, rarely starting before January 6 or after February 28, and rarely ending before November 15 or after December 28.
Time Spent in Various Temperature Bands and the Growing Season
Based on growing degree days alone, the first spring blooms in Moapa Valley should appear around February 1, only rarely appearing before January 23 or after February 13.
Growing Degree Days
The average daily incident shortwave solar energy experiences extreme seasonal variation over the course of the year.
The brighter period of the year lasts for 3.2 months, from April 27 to August 2, with an average daily incident shortwave energy per square meter above 7.5 kWh. The brightest day of the year is June 18, with an average of 8.7 kWh.
The darker period of the year lasts for 3.2 months, from November 3 to February 11, with an average daily incident shortwave energy per square meter below 4.0 kWh. The darkest day of the year is December 24, with an average of 2.8 kWh.
Average Daily Incident Shortwave Solar Energy
For the purposes of this report, the geographical coordinates of Moapa Valley are 36.581 deg latitude, -114.470 deg longitude, and 1,332 ft elevation.
The topography within 2 miles of Moapa Valley contains significant variations in elevation, with a maximum elevation change of 571 feet and an average elevation above sea level of 1,414 feet. Within 10 miles contains significant variations in elevation (2,037 feet). Within 50 miles contains large variations in elevation (9,222 feet).
The area within 2 miles of Moapa Valley is covered by shrubs (79%) and grassland (16%), within 10 miles by shrubs (86%), and within 50 miles by shrubs (92%).
This report illustrates the typical weather in Moapa Valley, 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 2 weather stations near enough to contribute to our estimation of the temperature and dew point in Moapa Valley.
For each station, the records are corrected for the elevation difference between that station and Moapa Valley 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 Moapa Valley is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Moapa Valley and a given station.
Time zones for airports and weather stations are provided by AskGeo.com .