Last updated: February 24, 2025
In May, Grand Junction, United States, experiences a dynamic climate characterized by significant variations in temperature. With maximums reaching 32°C (90°F), residents enjoy warm days, while the average temperature hovers around 15°C (59°F) and nocturnal lows can dip to -3°C (27°F). This month sees 42 mm (1.7 in) of precipitation spread across 8 days, contributing to a moderate humidity level of 58%. Whether basking in the sunshine or encountering brief showers, May offers a diverse weather experience for all.
In Grand Junction, May ushers in a delightful transition from the lingering chill of winter to the warmth of summer. The month sees temperatures ranging from a minimum of -3°C (27°F) to a maximum of 32°C (90°F), showcasing a significant leap in warmth with an average temperature settling at a comfortable 15°C (59°F). This shift marks a trend where spring begins to assert itself after colder months; for instance, compared to April's average of 9°C (49°F), May brings a noticeable rise, enticing residents and visitors alike to embrace outdoor activities. It’s a time when the region's stunning landscapes bloom, making it a perfect month to enjoy the mild days before the summer heat takes hold.
In May, Grand Junction experiences a moderate precipitation total of 42 mm (1.7 in), which is a slight increase from the drier month of April but significantly less than the wetter conditions of March. This month typically sees 8 precipitation days, maintaining a balanced rhythm of rain that helps nurture the region as spring transitions into summer. Interestingly, while May's rainfall is beneficial for local flora, it pales in comparison to the peak of March, highlighting a gradual tapering of moisture leading into the drier summer months. Overall, May serves as a vital month for irrigation, striking a harmonious balance between the heavier spring rains and the impending drought periods of June and July.
In Grand Junction, United States, May marks a significant shift in humidity, dropping to a comfortable 58% after the winter months characterized by much higher levels—starting at a substantial 90% in January. This decrease reflects a trend toward drier air as summer approaches, with June and July seeing even lower humidity levels at 47% and 39%, respectively. It's a welcome relief for residents and visitors alike, who can enjoy the pleasant balance of warmth and tranquility that May offers before the peak summer dryness fully sets in. The transition from the high humidity of early months to this more moderate level not only enhances outdoor activities but also signals the onset of an enjoyable season.
As spring transitions into summer, Grand Junction experiences a significant surge in UV intensity. In May, the UV Index reaches an extreme level of 11, marking a stark rise from the moderate 4 in January. This escalation underscores the importance of sun safety, with a burn time of only 10 minutes for unprotected skin. Following May, the UV Index remains high throughout June and July, peaking at 12, while slightly tapering off to 11 in August. The month ultimately serves as a reminder for residents and visitors alike to embrace protective measures, especially as they enjoy the beautiful outdoors. For detailed information on sun safety and the UV Index throughout the year, visit Grand Junction UV Index.
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As spring transitions into summer, May shines brightly in Grand Junction, boasting an impressive 360 hours of sunshine. This month stands out as a peak in daylight, following the gradual increase in hours from the 172 in January to 313 in April. The warmth of May signals the start of outdoor adventures, with sunlight approaching its zenith in June and July, where 382 hours of sunshine await. This upward trend not only highlights the delightful weather but also energizes the community, encouraging visitors and locals alike to relish the vibrant landscapes and recreational activities. As the days lengthen, the charm of Grand Junction's sunny May becomes a captivating prelude to summer's full embrace.
In Grand Junction, the likelihood of sunny weather in May stands at 52%, slightly dipping from the 60% chance observed in April. This pattern reflects a general trend where spring months experience fluctuating sunshine probabilities before the summer months bring more consistent brightness. Notably, June's forecast soars to 68%, leading into the sun-soaked days of July and August, which boast the highest chances at 55% and 73%, respectively. As the year progresses, it’s evident that Grand Junction transitions from the more capricious early spring into the reliably sunny summer season, making May a bit of a bridge on the path to sunnier days ahead.
As spring gracefully gives way to summer in Grand Junction, May heralds one of the year's peak durations of daylight, basking the region in 14 hours of sunlight. This month beautifully illustrates the transition from the 9 hours of winter's grasp in January to the bright, vibrant days that characterize mid-year. The incremental increase is particularly striking in April, as daylight jumps from 13 hours to 14 hours, signaling a revitalization of nature and outdoor activities. Following May, the hours remain steady through June and July before gradually tapering off into autumn. This progression not only marks a shift in the seasons but also invites residents and visitors alike to embrace the longer, sunlit days that foster a sense of vitality and connection to the great outdoors.
In Grand Junction, the month of May marks a subtle uptick in wind speed, reaching an average of 2.5 m/s (6 mph). This increase continues a pleasant trend observed from the earlier spring months, where wind speeds gradually rose from 1.6 m/s in January to 2.4 m/s in April. May's winds bring a refreshing embrace to the warming landscape, offering a lively contrast to the calmer breezes of the preceding months. As the region transitions into summer, wind speeds start to slightly decline in June, hinting at a shift towards the more stable conditions typical of the season. This makes May a delightful sweet spot, where the invigorating winds invite outdoor adventures amidst the beautiful backdrop of the Grand Junction scenery.
The weather in Grand Junction changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of May's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Grand Junction and find detailed weather information for every month.
May and January present stark contrasts in weather. In May, temperatures range from a chilly minimum of -3°C (27°F) to a warm maximum of 32°C (90°F), with an average of 15°C (59°F). This month experiences relatively low precipitation of 42 mm (1.7 in) over about 8 days, accompanied by a moderate humidity level of 58%. In contrast, January is much colder, with temperatures dipping as low as -23°C (-9°F) and peaking at 12°C (54°F), resulting in an average of -4°C (24°F). Precipitation is similar to May at 40 mm (1.6 in), but it occurs over fewer days (7 days) and is coupled with much higher humidity at 90%. For more details, you can explore Grand Junction weather in January.
May and February present starkly different weather conditions. In May, temperatures range from a chilly minimum of -3°C (27°F) to a warm maximum of 32°C (90°F), averaging around 15°C (59°F) with moderate humidity at 58%. In contrast, February experiences significantly colder temperatures, with a minimum of -23°C (-10°F) and a maximum of only 14°C (57°F), averaging -2°C (29°F). Precipitation levels in February are slightly higher, totaling 49 mm (1.9 in) over 9 days, compared to May's 42 mm (1.7 in) over 8 days. For more details on February weather, you can visit Grand Junction weather in February.
In comparing the weather of March and May, March typically experiences much colder temperatures, with a minimum of -17°C (2°F) and an average of 4°C (39°F), while May enjoys milder weather, ranging from a low of -3°C (27°F) to a warm average of 15°C (59°F). March also tends to be wetter, with higher precipitation at 69 mm (2.7 in) over 11 days, compared to May’s 42 mm (1.7 in) over 8 days. Moreover, March has a higher humidity level of 81%, which contrasts with the more comfortable 58% humidity seen in May. For a detailed look at March weather, you can visit Grand Junction weather in March.
In comparing the weather patterns of April and May, it is evident that May experiences a significant rise in temperatures, with an average of 15°C (59°F) compared to April's 9°C (49°F). May also showcases a wider temperature range, peaking at 32°C (90°F), while April's maximum is 27°C (81°F). Despite May having slightly more precipitation at 42 mm (1.7 in) compared to April's 33 mm (1.3 in), both months receive rain on about the same number of days (8). Additionally, the humidity drops notably from April's 74% to May's 58%, reflecting a shift towards warmer and drier conditions as spring progresses. For more detailed insights on April's weather, check Grand Junction weather in April.
May and June present notable contrasts in weather patterns. May experiences a wider temperature range, with minimums dropping to -3°C (27°F) and maximums reaching up to 32°C (90°F), culminating in an average of 15°C (59°F). The month sees moderate precipitation of 42 mm (1.7 in) over 8 days and a humidity level of 58%. In contrast, June boasts a warmer average temperature of 22°C (72°F), with minimums at 2°C (37°F) and maximums climbing to 38°C (100°F). Additionally, June has less precipitation, measuring only 26 mm (1.0 in) over just 4 days and lower humidity at 47%. For more detailed insights, visit Grand Junction weather in June.
May and July display notable contrasts in weather patterns. In May, temperatures range from a chilly minimum of -3°C (27°F) to a maximum of 32°C (90°F), with an average of 15°C (59°F). The month experiences 42 mm (1.7 in) of precipitation over about 8 days and a moderate humidity of 58%. In contrast, July offers a much warmer climate, with temperatures starting at a minimum of 9°C (49°F) and soaring up to a maximum of 38°C (101°F), averaging 25°C (77°F). Although July has slightly less precipitation at 34 mm (1.3 in) over just 7 days, the humidity drops to a more comfortable 39%. For more detailed weather insights, check out Grand Junction weather in July.
May and August present quite a contrast in weather patterns. May features a broader range of temperatures, with a minimum of -3°C (27°F) and a maximum reaching 32°C (90°F), resulting in an average temperature of 15°C (59°F). This month is relatively humid, with 58% humidity and 42 mm (1.7 in) of precipitation over approximately 8 days. In contrast, August enjoys warmer weather with a minimum of 8°C (46°F), an average of 23°C (74°F), and a high of 36°C (97°F). The humidity is lower at 39%, and precipitation diminishes to 29 mm (1.1 in) over just 5 days. For more insights on August weather, explore Grand Junction weather in August.
May and September display distinct weather patterns, reflecting the transition from spring to autumn. In May, temperatures range from a chilly minimum of -3°C (27°F) to an average of 15°C (59°F) and can peak at 32°C (90°F), with a total precipitation of 42 mm (1.7 in) over about 8 days. The humidity level sits around 58%, adding to the springtime feel. Conversely, September presents a milder climate, with minimum temperatures starting at 0°C (33°F) and an average of 19°C (66°F), peaking slightly higher at 35°C (96°F). The month experiences slightly less precipitation at 40 mm (1.6 in) over approximately 6 days and a lower humidity of 53%. For more detailed information on September conditions, you can visit Grand Junction weather in September.
May and October present contrasting weather patterns. In May, temperatures range from a chilly minimum of -3°C (27°F) to a comfortable average of 15°C (59°F), with highs reaching up to 32°C (90°F). The month sees about 42 mm (1.7 in) of precipitation over 8 days and maintains a humidity level of 58%. In contrast, October is significantly cooler, with temperatures dipping to a minimum of -14°C (7°F) and averaging around 9°C (49°F). The maximum temperature in October is 27°C (81°F), and the month experiences slightly more rainfall, totaling 55 mm (2.2 in), also spread across 8 days, with an increased humidity level of 72%. To learn more about the specifics, you can check Grand Junction weather in October.
May and November present stark contrasts in weather conditions. In May, temperatures range from a chilly -3°C (27°F) at night to a warm 32°C (90°F) during the day, with an average temperature of 15°C (59°F). This month sees about 42 mm (1.7 in) of precipitation spread over 8 days, accompanied by a moderate humidity level of 58%. In contrast, November experiences much colder temperatures, with nightly lows plunging to -16°C (4°F) and daytime highs peaking at 20°C (68°F), resulting in an average temperature of just 4°C (39°F). The month is drier, with precipitation totaling 23 mm (0.9 in) over only 4 days, while humidity levels rise significantly to 84%. For more details, check out Grand Junction weather in November.
May and December present contrasting weather conditions. In May, temperatures range from a chilly -3°C (27°F) at night to a pleasant average of 15°C (59°F) during the day, with peaks reaching 32°C (90°F). The month receives 42 mm (1.7 in) of precipitation over approximately 8 days, and humidity sits at a comfortable 58%. In stark contrast, December features much colder temperatures, with a minimum of -22°C (-8°F) and an average of -3°C (28°F), only warming up to a maximum of 15°C (59°F). Precipitation is slightly less, at 37 mm (1.5 in) over 7 days, accompanied by higher humidity levels at 90%. For a closer look at December's weather in Grand Junction, check out Grand Junction weather in December.
As May unfolds in Grand Junction, the weather shifts dramatically compared to the preceding months. The warm days bring a delightful rise in temperatures, reaching their peak around 32°C (90°F), which encourages outdoor activities and blooming landscapes. In contrast to the chilly nights experienced earlier in the year, May introduces milder evenings averaging around 15°C (59°F). While some lingering showers may still make their appearance, with about 42 mm (1.7 in) of precipitation across 8 days, it's the increased humidity of 58% that gives this month its refreshing feel. Overall, May serves as a bridge to the warmer summer months, welcoming sun-seekers and nature lovers alike. For more insights on seasonal trends, visit Grand Junction Climate.