Brighton, Colorado Weather by Month

Introduction to Brighton, Colorado

Brighton is a vibrant city located in Adams County, in the northeastern part of the state of Colorado, United States. As a growing community, Brighton combines the charm of small-town living with the amenities and opportunities of a larger metropolitan area. It is strategically situated approximately 20 miles northeast of Denver, making it an ideal location for residents who seek a quieter lifestyle while having easy access to the economic and cultural activities of the state’s capital.

Geographically, Brighton lies at approximately 39.98°N latitude and 104.83°W longitude, covering an area of about 21.5 square miles. The city has experienced significant growth in recent years, with a population of around 40,000 residents, reflecting its appeal as a desirable place to live and work.

Brighton is home to several notable landmarks and institutions. One of the most significant institutions is Front Range Community College, which provides a variety of educational programs and contributes to the local economy. The city also features historic landmarks such as the Brighton Depot and the Adams County Historical Museum, which offer insights into the region’s rich history. Additionally, the Barr Lake State Park is a major recreational attraction, offering opportunities for fishing, bird watching, and hiking. Brighton also boasts a vibrant agricultural scene, highlighted by the annual Adams County Fair, which draws visitors from across the region.

Climate and Weather Overview

Brighton, Colorado, experiences a semi-arid climate characterized by hot summers and cold, dry winters. The climate is influenced by its location in the Colorado Plains, resulting in significant seasonal variations and moderate precipitation throughout the year.

Average Monthly Climate Data

Month Average Temperature (°F) Average Precipitation (inches) Average Sunny Days
January 32.1 0.4 24
February 36.0 0.4 23
March 44.5 1.2 22
April 51.0 1.7 21
May 60.9 2.3 22
June 70.3 1.6 24
July 75.5 1.7 26
August 73.5 1.5 25
September 64.2 1.0 24
October 51.7 1.1 23
November 40.2 0.5 23
December 32.0 0.5 23

Weather by Month in Brighton, Colorado


January in Brighton is typically the coldest month of the year. Average temperatures range from a low of around 15°F to a high of about 48°F. Precipitation is relatively low, averaging around 0.4 inches, mostly in the form of snow. The city typically enjoys about 24 sunny days during this month.

Natural disasters such as severe winter storms and icy conditions can occur, bringing heavy snowfall and strong winds. Recommended activities include visiting indoor attractions such as local museums, enjoying the cozy atmosphere of local cafes, or participating in winter sports like skiing and snowshoeing in nearby parks.


February sees a slight warming trend with average temperatures ranging from 19°F to 52°F. Precipitation remains low at around 0.4 inches, with occasional snowfall. The number of sunny days remains similar to January, at around 23 days.

Outdoor activities such as skiing, snowshoeing, and ice fishing continue to be popular. Exploring the local trails or enjoying winter festivals are also great options.


March marks the beginning of spring with average temperatures climbing to between 26°F and 61°F. Precipitation averages around 1.2 inches, with more frequent snow and rain showers. Brighton typically experiences around 22 sunny days during this month.

The emergence of blooming flowers makes it a beautiful time for outdoor activities. Hiking, garden tours, and visiting nature reserves are recommended. Natural disasters such as heavy snowfalls can occur, so it’s important to stay informed about weather conditions.


April sees a more noticeable shift to warmer weather with temperatures ranging from 34°F to 69°F. Precipitation averages around 1.7 inches, and the number of sunny days increases to around 21.

This month is ideal for outdoor activities like picnicking, biking, and visiting local farmers’ markets. The risk of severe weather, including thunderstorms, begins to rise, making it important to stay prepared.


May brings even warmer temperatures, ranging from 44°F to 77°F. Precipitation remains moderate at 2.3 inches. The abundance of sunshine, with about 22 sunny days, makes it perfect for outdoor adventures.

Residents and visitors can enjoy activities like gardening, hiking, and attending local festivals. May is also known for its beautiful spring blooms, making it an ideal time for nature walks and photography.


June heralds the start of summer with average temperatures ranging from 52°F to 86°F. Precipitation averages around 1.6 inches, often in the form of brief but intense thunderstorms. Brighton typically experiences around 24 sunny days in June.

Outdoor activities such as swimming, boating, and picnics are popular. The weather is generally favorable with a high number of sunny days, making it an excellent time for outdoor exploration.


July is typically the hottest month in Brighton, with temperatures ranging from 57°F to 93°F. Precipitation is around 1.7 inches, making it a relatively dry month. Brighton enjoys about 26 sunny days during this month.

Despite the heat, outdoor activities like attending local fairs, swimming, and exploring state parks are common. Residents should stay hydrated and take precautions against heat-related illnesses.


August continues the summer warmth with temperatures ranging from 55°F to 91°F. Precipitation remains moderate at 1.5 inches, and the number of sunny days is around 25.

The weather remains suitable for outdoor activities, including water sports and hiking. It’s important to monitor weather reports for any severe thunderstorms that may occur.


September brings a gradual cooling with temperatures ranging from 46°F to 82°F. Precipitation averages around 1.0 inches, and the number of sunny days starts to decrease to about 24.

This month is ideal for outdoor activities such as hiking, attending local events, and exploring state parks. The risk of severe weather is low, making it a pleasant time to enjoy the outdoors.


October sees more significant cooling with temperatures ranging from 36°F to 68°F. Precipitation averages around 1.1 inches, and sunny days are around 23.

Fall foliage makes this month particularly scenic, ideal for outdoor photography, hiking, and visiting pumpkin patches. Natural disasters are rare in October, but it can be a wet month.


November temperatures range from 26°F to 54°F, with precipitation averaging 0.5 inches. The weather becomes cooler, and the number of sunny days decreases to about 23.

Outdoor activities like hiking and visiting local markets are still enjoyable. As the holiday season approaches, indoor activities and local events become more popular.


December brings cooler temperatures, ranging from 18°F to 47°F, and precipitation averages around 0.5 inches. Snow is more common, adding a festive atmosphere to the community. Brighton experiences around 23 sunny days during this month.

Indoor activities such as visiting museums and historical sites are recommended. The festive season also brings various local events and holiday markets to enjoy.

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