Climate and monthly weather forecastGreeley, CO

The climate of Greeley

Situated in the Centennial State or 'Colorful Colorado', the city of Greeley is characterized by the predominant BSk, mid-latitude steppe climate, as per the Köppen climate classification. This location experiences a wide range of temperatures and precipitation levels throughout the year.

A close observation of weather trends reveals noticeable swings in various weather parameters. High temperatures range from a chilly 40.8°F (4.9°C) in January to a hot 89.1°F (31.7°C) in July. A similar trend is noted in low-temperature readings, with figures as low as 20.1°F (-6.6°C) in December and peaking at 62.1°F (16.7°C) during the summer month of July. Offering an expansive array of meteorological landscapes, Greeley's humidity relative index fluctuates between 44% in August and up to 64% during the colder months of January and December.

Rainfall patterns in Greeley exhibit substantial variation. March sees the year's lowest average rainfall of 0.2" (5mm) closely followed by January's 0.24" (6mm), while May witnesses the most substantial precipitation with an average of 1.61" (41mm). The city also has its fair share of snowfall, with December recording most days of snowfall (4.5 days), while snowfall in inches peaks at 2.36" (60mm) in February.

The best time to visit Greeley

For those in search of milder weather conditions, the optimal period to explore Greeley's attractions is from May to September. During this time, the city experiences temperatures ranging between 61.2°F (16.2°C) and 89.1°F (31.7°C). Also, the relative humidity remains at a comfortable level below 53%, making outdoor activities more enjoyable. Sunshine durations are high, and encounters with rainfall are limited, with averages ranging between 0.55" (14mm) and 1.61" (41mm).

The worst time to visit Greeley

January and February could be considered less ideal for tourism. During these cold winter months, daytime temperatures remain low, ranging from 40.8°F (4.9°C) to 42.3°F (5.7°C), while nighttime temperatures drop as low as 22.1°F (-5.5°C) to 22.5°F (-5.3°C). Moreover, snowfall during these months is significant, which could interfere with travel plans and outdoor activities.

Spring weather in Greeley

Greeley welcomes Spring from March to May, with average high temperatures climbing journey from 54.9°F (12.7°C) to 69.3°F (20.7°C). The season also sees an increase in rainfall from 0.59" (15mm) in March to a peak of 1.61" (41mm) in May. Despite this, the city basks in ample sunshine, enabling outdoor enthusiasts to revel in the burgeoning blooms and spring festivities.

Summer weather in Greeley

Between June and August, Greeley's summer rises to its full glory. With high temperatures oscillating between 84.2°F (29°C) and 89.1°F (31.7°C) and lows of 57.4°F (14.1°C) to 62.1°F (16.7°C), the weather conditions make for warm afternoons and pleasant evenings. Though rainfall is variable, it is generally lower than during Spring, making Summer an optimum period for outdoor recreation.

Autumn weather in Greeley

September to November mark the changing leaves of Autumn in Greeley. During this period, high temperatures steadily drop from 79.7°F (26.5°C) in September to a cooler 51.1°F (10.6°C) by November. Rainfall reduces as well, decreasing from 0.55" (14mm) to 0.28" (7mm) by November. Notably, it's during this period that the city experiences relatively longer daylight hours, from 12.4 hours in September to 9.9 hours by November.

Winter weather in Greeley

The onset of Winter ushers Greeley into its coldest months from December to February. During this period, harsh low temperatures hit as far down as 20.1°F (-6.6°C). Snowfall is prominent in these months, particularly in January and February, with values near 1.57" (40mm) and 2.36" (60mm) respectively. Despite the cold, winter sun is not a rare sight, with 6.8 hours of sunshine per day on average affording surreal landscapes glittering under the crisp winter sun.

Weather in January

January embraces the true winter conditions in Greeley, Colorado, with low temperatures becoming the norm. January sees some of the coldest days of the year, with lowest temperatures averaging at 22.1°F (-5.5°C). The city also experiences some snowfall during this month, creating a winter wonderland ambiance. Weather in January »

Weather in February

While February still falls within the winter period, there is an onward movement toward spring. This month gets slightly warmer compared to January, reaching minimum/maximum temperatures ranging from 22.5°F (-5.3°C) to 42.3°F (5.7°C). Weather in February »

Weather in March

The arrival of March in Greeley, Colorado, signals the beginning of spring. The weather begins to offer a glimpse of the changing season, with temperatures climbing to a high of 54.9°F (12.7°C), indicative of the approaching warmth. Weather in March »

Weather in April

April showcases the full bloom of spring in Greeley, Colorado. With a noticeable increase in high temperatures, now at an average of 61.2°F (16.2°C), the sense of summer is definitely in the air. Residents and tourists can enjoy outdoor activities as snowfall becomes sparse. Weather in April »

Weather in May

The month of May in Greeley, Colorado, is characterized by the transition from spring to early summer. The mercury continues to rise, signalling the onset of warmer days. May sees the city's highest rainfall of the year, measuring at 1.61in, preparing the environment for summer. Weather in May »

Weather in June

June inaugurates summer in Greeley, Colorado, with the temperature scales tilting toward the higher end. The abundance of sunshine, maximum sunshine hours being around 15, enhances the overall cheerfulness of the month. Incidents of snow are non-existent, making outdoor leisure more enjoyable. Weather in June »

Weather in July

In July, Greeley, Colorado, experiences the height of summer. The city witnesses its peak temperatures, with the highest temperature soaring to 89.1°F (31.7°C). Despite the high temperatures, the skies are moderately clear, offering breathtaking sunset views. Weather in July »

Weather in August

August in Greeley, Colorado, continues with the summer trend but with subtle signs of a forthcoming transition. Even though it is still a summer month, the maximum temperatures start to drop slightly. However, the rainfall retains its usual pattern, assisting in keeping the environment refreshed. Weather in August »

Weather in September

September indicates the onset of autumn in Greeley, Colorado. Warm summer days start to be replaced by cooler autumnal temperatures. The high temperatures reduce more, leading to a crisper climate. Despite the initial dip in temperature, the city continues to receive a good amount of sunshine. Weather in September »

Weather in October

October in Greeley, Colorado, brings the full splendor of fall. As the month progresses, temperatures continue to decrease, signaling the approach of winter. With the temperatures becoming cooler, the first snowfall of the year can also occur. Weather in October »

Weather in November

November in Greeley, Colorado, serves as a transition from autumn to winter. With further cooler temperatures setting in, it is advisable to carry warmer clothing. A notable drop in maximum temperatures to 51.1°F (10.6°C) becomes apparent, hinting at the oncoming winter season. Weather in November »

Weather in December

December brings the cold winter in Greeley, Colorado, with the temperatures decreasing substantially. Even though it is a winter month, the lowest temperature remains above freezing at 20.1°F (-6.6°C). The shorter daylight hours and frequent snowfall make it a typical winter month. Weather in December »