Last updated: February 24, 2025
April in Flagstaff, United States brings a delightful transition into spring, characterized by an average temperature of 9°C (49°F). Daily highs can soar to a pleasant 26°C (79°F), while nighttime lows may dip to a cool -7°C (20°F). This month sees around 22 mm (0.9 in) of precipitation over 4 days, contributing to a relatively humid climate with an average humidity of 63%. Overall, April offers a refreshing blend of warming days and crisp nights, perfect for enjoying the stunning natural surroundings.
In April, Flagstaff, United States, experiences a notable transition from winter's chill to the warmth of spring. With minimum temperatures ranging from a brisk -7°C (20°F) to a pleasant maximum of 26°C (79°F), the average temperature of 9°C (49°F) highlights a significant rise compared to the preceding months. This month signifies a turning point, shedding the colder grip of winter as daytime temperatures become increasingly mild. As nature awakens, the vibrant landscapes of Flagstaff under sunny skies invite outdoor adventures, making April a delightful time to explore the area’s natural beauty and charm.
April in Flagstaff marks a notable shift in precipitation patterns as the snowmelt begins to taper off. With only 22 mm (0.9 in) of rain spread over just 4 days, this month typically experiences one of the lowest precipitation totals of the year. Compared to the preceding months, where precipitation steadily increased, April signals a transition, leading into the gradually wetter late spring months of May and June. This decline is particularly striking against the backdrop of the heavy rains that follow in July, showcasing Flagstaff's unique climate progression from winter's embrace to the intensity of summer storms.
April marks a significant shift in humidity levels in Flagstaff, United States, with a noticeable drop to 63%. This decline continues the trend established in the spring months, particularly following March's higher humidity of 72%. As the region transitions into warmer seasons, the atmosphere becomes drier, with May recording an even lower humidity of 46%. This ongoing reduction is a stark contrast to the winter months, where humidity peaks at 83% in February and remains elevated throughout the earlier part of the year. As the humidity decreases, Flagstaff prepares for the dry, sunny days of summer, indicating a remarkable seasonal shift in the climate that enhances the region's enchanting natural beauty.
As April unfolds in Flagstaff, the sun's intensity reaches a noteworthy UV Index of 11, marking the beginning of the extreme exposure category. This sharp increase in UV radiation compared to the previous months indicates that locals and visitors alike need to exercise greater caution, with a significantly reduced burn time of just 10 minutes. Following the trend from March's high levels, this leap suggests that protection against sunburn is essential during this period, paving the way for an even higher UV Index in the coming months. As spring continues, awareness of UV exposure becomes increasingly critical to ensure safe outdoor enjoyment. For detailed information, visit Flagstaff UV Index.
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As April unfolds in Flagstaff, the city basks in 331 hours of sunshine, marking a significant increase from the previous months. This vibrant month not only outshines March's 301 hours but also sets the stage for the sun-drenched days ahead in May and June, which boast even more sun exposure at 374 hours and 375 hours, respectively. The upward trend in daylight hours during spring paints a picture of rejuvenation and warmth, inviting both locals and visitors to revel in the beautiful landscape. With each passing month, sunlight reigns supreme, enhancing outdoor adventures and community gatherings as Flagstaff transitions into its sun-kissed summer months.
April in Flagstaff witnesses a promising 73% chance of sunny weather, marking a delightful transition towards warmer months. This month stands out as one of the sunnier times of the year, showcasing a modest increase from March's 64%, and hinting at even more sunshine as May approaches, when the likelihood rises to 77%. As the seasons shift, the pattern reveals a general upward trend in sunshine, particularly from the depths of winter, where January holds a mere 51%. This sunny boost not only enhances outdoor activities but also invigorates the spirit, making April an ideal time to soak in the beautiful Arizona landscape.
As April unfolds in Flagstaff, the length of daylight significantly increases, offering residents and visitors alike an inviting glimpse of spring's arrival. With 13 hours of daylight, April marks a notable jump from the previous month's 11 hours, beautifully bridging the transition between the waning winter and the exuberance of spring. This growing daylight is a precursor to May's even longer 14 hours, where the sun shines brightly, inviting outdoor activities and longer explorations. Throughout the year, Flagstaff experiences a rhythmic dance of daylight duration, starting at 10 hours in January and cycling through to a peak in the summer months before gradually tapering off again. This progression not only highlights the changing seasons but also enhances the vibrant atmosphere of the community, encouraging everyone to embrace the longer, sunlit days.
As spring unfolds in Flagstaff, the April winds pick up, reaching an average speed of 3.6 m/s (8 mph), marking a notable increase compared to the previous months. This gentle uptick in wind intensity, from 3.3 m/s (7 mph) in March, reflects the transition into warmer weather, reminiscent of the playful breezes that herald growth and renewal within the landscape. Interestingly, April serves as a peak in the wind speeds for the first half of the year, suggesting a vibrant energy that contrasts with the calmer currents of summer that follow. Overall, April stands out as a month where the fresh air fills the lungs, invigorating both residents and nature alike as they embrace the arrival of spring in this picturesque part of the United States.
The weather in Flagstaff changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of April's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Flagstaff and find detailed weather information for every month.
In comparing the weather of April and January, April presents a notable shift toward milder conditions. The average temperature in April is significantly warmer at 9°C (49°F), with maximums reaching up to 26°C (79°F), while January's average hovers at freezing, at 0°C (32°F), with a max of only 14°C (58°F). Although January experiences more precipitation at 47 mm (1.8 in) over seven days, April has a lighter total of 22 mm (0.9 in) across four days, indicating a transition to drier weather. Additionally, the humidity in January is higher at 80%, compared to April's 63%, further emphasizing the contrast between these two months. For a detailed look at January weather patterns, you can refer to Flagstaff weather in January.
April typically offers milder conditions compared to February, with an average temperature of 9°C (49°F) and a maximum of 26°C (79°F), while February's average hovers around 1°C (34°F) and peaks at 17°C (63°F). The minimum temperatures in February can plummet to -19°C (-2°F), creating a stark contrast to April's milder lows of -7°C (20°F). Additionally, April sees less precipitation, with only 22 mm (0.9 in) spread over 4 days, whereas February experiences more rainfall, totaling 50 mm (2.0 in) over 7 days. February's humidity levels are also higher at 83%, compared to April's 63%. For those considering a visit, more details about February's climate can be found here: Flagstaff weather in February.
April shows a significant warming trend compared to March, with average temperatures rising from 4°C (39°F) to 9°C (49°F). While March experienced colder nights with a minimum temperature of -14°C (8°F), April’s lowest recorded temperature is warmer at -7°C (20°F). Additionally, April sees less precipitation, totaling 22 mm (0.9 in) over just 4 days, compared to March’s heavier rainfall of 61 mm (2.4 in) over 9 days. Humidity levels also decrease slightly, from 72% in March to 63% in April, indicating a shift towards drier conditions. For a more in-depth look at March’s weather patterns, you can refer to Flagstaff weather in March.
April and May showcase notable differences in weather patterns. April typically experiences a wider temperature range, with minimums dropping to -7°C (20°F) and maximums reaching 26°C (79°F), resulting in an average of 9°C (49°F). The month sees about 22 mm (0.9 in) of precipitation over four days, coupled with a relative humidity of 63%. In contrast, May brings slightly milder temperatures, with minimums around -3°C (27°F) and maximums soaring to 30°C (86°F), averaging 13°C (57°F). Precipitation increases to 32 mm (1.3 in) and occurs over six days, but humidity drops significantly to 46%. For more details on May weather, visit Flagstaff weather in May.
April weather in Flagstaff is characterized by a wide temperature range, with minimums dipping as low as -7°C (20°F) and average highs around 26°C (79°F). The month sees around 22 mm (0.9 in) of precipitation over four days, accompanied by a relatively high humidity of 63%. In contrast, June offers a much warmer climate, featuring minimum temperatures of 3°C (37°F) and average highs reaching 35°C (95°F). Rainfall decreases significantly to just 11 mm (0.4 in) over only two days, and humidity drops to a comfortable 35%. This makes June markedly drier and warmer compared to April. For more details, check out Flagstaff weather in June.
April and July exhibit stark differences in weather patterns. In April, temperatures range from a chilly minimum of -7°C (20°F) to a pleasant average of 9°C (49°F), with highs reaching 26°C (79°F). The month sees relatively low precipitation of 22 mm (0.9 in) across just 4 days, while humidity hovers around 63%, creating a crisp atmosphere. In contrast, July experiences much warmer conditions, with temperatures varying from a minimum of 9°C (48°F) to an average of 21°C (70°F) and soaring to a peak of 35°C (95°F). The summer month also brings significant rainfall, totaling 148 mm (5.8 in) over 16 days, accompanied by lower humidity levels at 33%, leading to a more arid feel. For more on the weather specifics during this time, you can check Flagstaff weather in July.
April weather in Flagstaff presents a cool and variable climate, with temperatures ranging from a chilly minimum of -7°C (20°F) to a comfortable maximum of 26°C (79°F). The month sees an average temperature of 9°C (49°F) and experiences relatively low precipitation of 22 mm (0.9 in) across just four days, with humidity levels around 63%.
In contrast, August offers warmer conditions, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 33°C (92°F) and an average of 20°C (69°F). However, it is also notably wetter, receiving 69 mm (2.7 in) of precipitation over 13 days, while the humidity drops to a more comfortable 41%. This dramatic shift in weather highlights the transition from spring's coolness to the warmth and moisture of late summer. For more details, check out Flagstaff weather in August.
April and September offer distinctly different weather experiences. In April, temperatures can range from a chilly -7°C (20°F) to a warm 26°C (79°F), with an average of 9°C (49°F). This month sees relatively low precipitation at 22 mm (0.9 in) over about 4 days, and humidity levels are around 63%. In contrast, September presents a more temperate climate, with temperatures varying from -1°C (31°F) to a hot 33°C (91°F), averaging 17°C (63°F). Precipitation in September is higher, totaling 49 mm (1.9 in) across 7 days, while humidity slightly decreases to 59%. For a closer look at September weather, check out Flagstaff weather in September.
In comparing April and October weather, both months experience similar maximum temperatures, hovering around 26°C (79°F to 80°F). However, April tends to have slightly milder average temperatures, with averages of 9°C (49°F) compared to October's 11°C (51°F). Precipitation levels also differ, with April seeing 22 mm (0.9 in) over 4 days and October receiving a bit more rainfall at 34 mm (1.4 in) over 5 days. Additionally, October has higher humidity, averaging 70% compared to April’s 63%. For more details on October weather, check out Flagstaff weather in October.
April and November present a notable contrast in weather patterns. In April, temperatures range from a minimum of -7°C (20°F) to a maximum of 26°C (79°F), with an average temperature of 9°C (49°F). The month typically experiences 22 mm (0.9 in) of precipitation across four days and humidity levels averaging 63%. In contrast, November brings cooler temperatures, with lows reaching -16°C (4°F) and highs around 20°C (69°F), resulting in an average of 6°C (42°F). This month sees slightly more precipitation, totaling 30 mm (1.2 in) over three days, and a higher humidity level of 79%. For those interested in further details, you can explore more about Flagstaff weather in November.
In comparing the weather between April and December, April tends to be milder, with average temperatures around 9°C (49°F) and a maximum of 26°C (79°F), while December sees a much colder average of 1°C (33°F) with maximum temperatures only reaching 16°C (62°F). Precipitation is more frequent in December, totaling 36 mm (1.4 in) over six days, compared to April's 22 mm (0.9 in) spread across four days. Additionally, December experiences higher humidity levels at 82%, compared to April's 63%. For a detailed look at December weather conditions, you can visit Flagstaff weather in December.
As April graces Flagstaff with its arrival, the weather transitions dramatically, offering a delightful mix of mild temperatures and increased precipitation compared to the colder winter months. With average highs reaching a pleasant 26°C (79°F), the month heralds the onset of spring, inviting residents and visitors alike to enjoy the great outdoors. However, the nights can still be quite chilly, with temperatures dipping down to -7°C (20°F), reminding us that winter's grip isn't fully released just yet. April also sees a notable increase in humidity, fostering a vibrant atmosphere and supporting blooming flora. Those seeking detailed insights into how April weather aligns with the rest of the year can explore the comprehensive data at Flagstaff Climate.