Fort Collins, CO weather and climate in 2024
Day
6 °C
Night
-9 °C
Sea
0 °C
Precipitation
14 mm
in month
Rainy days
6 days
in month
Daylight
9 hours
average
Sunshine
6 hours
average
Humidity
57 %
Day
6 °C
Night
-9 °C
Sea
0 °C
Precipitation
14 mm
in month
Rainy days
6 days
in month
Daylight
9 hours
average
Sunshine
6 hours
average
Humidity
57 %
Overview: Fort Collins, CO
Weather charts for Fort Collins, CO
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Weather overview for Fort Collins, CO
Weather overview
Fort Collins, CO, located at the foothills of the Rocky Mountains, boasts a semi-arid climate with four distinct seasons. Summer days can sizzle with temperatures reaching peaks of 31 °C (88 °F) in July, cooled by the moderate breezes that grace this city. Pleasant springs and falls with moderate rainfall balance the seasons nicely, while winters can chill to the bone with averages of -9 °C (15 °F) at night in January. Rainfall is generally modest, but the city enjoys a good amount of sunshine throughout the year, making outdoor activities enjoyable in any season. Precipitation does vary, with the wettest month on average being May, exhibiting rainfall of 66 mm (2.60 in), and February retaining the title of the driest with just 13 mm (0.51 in).
January weather
January in Fort Collins starts the year with chilly temperatures, averaging a daytime high of 6 °C (43 °F). The nights can be especially cold with an average low of -9 °C (15 °F). As one of the drier months, residents see an average of 6 days of wet days with minimal rainfall totaling 13 mm (0.53 in).
February weather
February in Fort Collins continues to be cold with an average daytime high of 8 °C (46 °F). Night time temperatures improve slightly, but remain frosty at an average low of -7 °C (19 °F). With only 6 days of wet weather, the rainfall remains low at about 13 mm (0.51 in).
March weather
March welcomes the onset of spring with higher daytime temperatures averaging 12 °C (54 °F), but chilly nights persist with lows around -3 °C (26 °F). Wet days become more frequent with an average of 9 days and rainfall bumps up to 38 mm (1.49 in) as the seasons transition.
April weather
April's weather brings a further increase in temperature with averages reaching 17 °C (62 °F) by day, while nights are cooler averaging 1 °C (33 °F). Fort Collins experiences around 10 days of wet days and a precipitation total of 54 mm (2.11 in) during this time.
May weather
May heralds the arrival of warmer days with an average high of 22 °C (71 °F), while the nighttime temperatures rise to an average of 6 °C (43 °F). As the wettest month of the year, there's an expected average of 12 days of wet days with a significant rainfall totaling 66 mm (2.60 in).
June weather
June's weather highlights the pleasant temperatures of late spring with daytime highs around 27 °C (81 °F), stretched under mostly clear skies. Nighttime temperatures become more agreeable averaging 11 °C (51 °F). This month sees around 10 days of rainfall and totals about 54 mm (2.14 in).
July weather
July marks the peak of summer in Fort Collins with the highest temperatures averaging 31 °C (88 °F) in the daytime with the warmth persisting into the night at 14 °C (57 °F) on average. However, precipitation is slightly higher with around 11 days and a total of 48 mm (1.89 in) of rain.
August weather
August continues to bask in warmth with daily high temperatures averaging 29 °C (85 °F), while evenings cool down to a pleasant 13 °C (55 °F) average. The count of wet days slightly decreases to 10 days with rainfall measuring about 41 mm (1.62 in).
September weather
September in Fort Collins begins the transition to fall with a noticeable drop in temperatures to a comfortable 25 °C (77 °F) during the day and 8 °C (46 °F) at night. An average of 7 days sees rainfall with a reduced total of 37 mm (1.45 in).
October weather
October's autumnal charm is felt through cooler daytime highs of 18 °C (64 °F) and chilly nights around 1 °C (34 °F). The weather is relatively dry, with an average of 6 days seeing precipitation, albeit at a lower volume of 30 mm (1.18 in).
November weather
November ushers in the colder temps with the daytime average falling to 11 °C (51 °F), and night temperatures averaging a cold -4 °C (24 °F). A similar trend in precipitation continues with around 6 days of wet days and a meager total rainfall of 22 mm (0.85 in).
December weather
December sees the onset of winter with highs averaging a subdued 6 °C (42 °F) and lows dipping to -9 °C (16 °F). With an average of 6 days of wet days, Fort Collins experiences a modest 14 mm (0.57 in) of precipitation as the days shorten and the holiday season begins.
FAQs
How cold can it get in Fort Collins during January nights?
January nights in Fort Collins are quite cold with average minimum temperatures dropping to -9 °C (15 °F), so make sure to dress in warm layers before stepping out in the evening.
Is it still winter in Fort Collins during February?
Yes, February in Fort Collins is characterized by winter weather, with a gradual increase in daily high temperatures to an average of 8 °C (46 °F), yet the nights remain quite cold.
Does it start to warm up in Fort Collins in March?
Absolutely, the warm up begins as March sees a climb in daily highs to an average of 12 °C (54 °F), hinting at the welcome change toward milder spring weather.
What is the average April daytime temperature in Fort Collins?
In April, the average daytime temperature in Fort Collins is a comfortable 17 °C (62 °F), signaling a full swing into spring's milder weather.
Is May the wettest month in Fort Collins?
Indeed, May is typically the wettest month in Fort Collins, bringing with it 12 days of precipitation and a total monthly rainfall of 66 mm (2.60 in).
Can we expect many sunny days in Fort Collins in June?
June typically enjoys an abundance of sunny days in Fort Collins, with the city bathing in approximately 10 hours of sunshine per day.
How hot does it get in Fort Collins during July?
July in Fort Collins can be sizzling hot, with average daytime highs cresting at 31 °C (88 °F), making it important to stay hydrated and protected from the sun.
Is Fort Collins still warm in August?
Yes, August remains warm in Fort Collins with average high temperatures lingering around 29 °C (85 °F), perfect for enjoying the outdoors.
Does September in Fort Collins feel like autumn?
Absolutely, you can feel autumn's presence in Fort Collins during September with the day temperatures cooling to a pleasant 25 °C (77 °F) and the hint of crispness in the evening air.
Is October a cold month in Fort Collins?
October brings a chill to Fort Collins with average daytime highs of 18 °C (64 °F), ushering in the cooler half of the year as nights begin to feel brisk.
How does Fort Collins weather change in November?
Weather in November in Fort Collins sees a significant drop in temperature as autumn progresses, with cooler days and the first signs of winter chill at night.
What are typical December temperatures in Fort Collins?
December in Fort Collins is characterized by cool temperatures with an average high of 6 °C (42 °F) and lows commonly reaching -9 °C (16 °F)—a typical winter month.
We make the most from 40 years of historical weather data to predict the best weather conditions.
Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.
We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.