May Weather in Julian, United States

Last updated: February 24, 2025

May in Julian, United States is marked by warm temperatures and relatively low precipitation. The maximum temperature can soar to a sizzling 36°C (97°F), while the average hovers around a comfortable 18°C (64°F). Nights can be cool, dipping to a refreshing 4°C (39°F). With only 11 mm (0.4 in) of rain spread across just 2 days, the month typically enjoys a moderate humidity level of 46%, making it an ideal time for outdoor activities amidst the stunning natural beauty of the area.

May Temperature in Julian

In Julian, United States, May brings a noticeable transition into warmer days, marked by minimum temperatures of 4°C (39°F) and an average of 18°C (64°F). This month stands out with a striking maximum temperature soaring to 36°C (97°F), reflecting a marked warming trend as spring evolves into summer. Comparing May to the cooler months preceding it, we observe a steady rise in both average and maximum temperatures, showcasing a shift from the 10°C (51°F) average in January to a more summery climate. As the days lengthen and the sun shines brighter, residents and visitors can bask in the increasing warmth, signaling the approach of the hotter months ahead.

May Weather in Julian: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Julian, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec515153606474808075665950
Data source: Temperature data for Julian generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Julian

In May, Julian experiences a notable drop in precipitation, with only 11 mm (0.4 in) recorded over just 2 days. This stark contrast to the wetter months earlier in the year, such as January with 45 mm and February with 53 mm, highlights a significant decline as spring transitions into early summer. Following the lush rains of April, which saw 17 mm in just 2 days, May marks a shift toward drier weather, setting the stage for the dry months ahead. This trend of reduced rainfall continues into June, where precipitation plummets further to a mere 2 mm (0.1 in). Overall, May signifies a turning point in Julian's climate, shifting towards the arid conditions that define the upcoming months.

May Precipitation Trends in Julian

The chart displays monthly precipitation patterns in Julian, with values for each month alongside May's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec45533717112181412102148
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Julian

May in Julian, United States, welcomes the onset of warmer days with a noticeable dip in humidity, averaging 46%. This marks a significant contrast from the earlier months, where humidity levels hovered around 72% in January and peaked at 77% in February. As spring unfolds, the transition is evident: April's humidity reduces to 56%, setting the stage for May's more comfortable and drier atmosphere. This trend of decreasing humidity is further reflected in June and July, both rounding out the early summer months with similar levels of 48% and 46%, respectively. Overall, May serves as a pivotal month, showcasing a shift towards a sunnier, less humid climate in Julian, making it an ideal time for outdoor activities and enjoying the beautiful natural surroundings.

May Average Humidity in Julian

This chart illustrates the average monthly humidity levels in Julian, with May's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how May's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec72%77%67%56%46%48%46%42%52%58%66%74%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Julian

In May, Julian, United States is experiencing extreme UV conditions with an index of 12. This significant increase from earlier months highlights a noticeable trend as the UV index climbs from a moderate level of 4 in January, peaking in April and maintaining its intensity. The burn time remains critically low at just 10 minutes, emphasizing the urgent need for sun protection during outdoor activities. As summer approaches, it’s essential for residents and visitors alike to stay informed about the UV index, as continuous high levels call for greater caution. For more detailed insights on UV levels throughout the year, visit Julian UV Index.

Maximum UV Index Levels in Julian for May

The chart shows the monthly maximum UV Index (UVI) for Julian in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec479111212121111854
Data source: Julian May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

May Sunshine in Julian

In May, Julian, United States, basks in 374 hours of sunshine, marking a peak in the springtime glow as the days grow warmer and longer. This delightful month follows a steady increase from 194 hours in January, steadily climbing to a vibrant 331 hours in April. The bright weather of May not only reflects the region's charm but also sets the stage for the summer months ahead, with June offering just a slight uptick to 375 hours. Notably, this pattern showcases a consistent trend of increasing sunlight, peaking during the summer, making Julian a perfect spring retreat. The gradual decline in sunshine hours seen as the year progresses serves as a gentle reminder of the changing seasons, creating a rhythm that residents and visitors alike have come to appreciate.

Monthly Sunshine Duration in Julian: May Highlighted

The May sunshine duration represents the total number of hours Julian experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec194h250h303h331h374h375h379h362h323h302h261h231h
Data source: Julian May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Julian During May

As spring unfolds into May, the likelihood of sunny weather in Julian, United States, reaches an impressive 81%, marking a notable increase from the previous months. This upward trend begins in January with a 59% chance, gradually climbing through February and March before peaking in April. Interestingly, the summer months witness a slight dip, with June at 72% and July dropping to 58%. However, as the year progresses into late summer and early fall, the sun reclaims its prominence, boasting an 84% chance in August and an impressive 85% in September. Overall, May stands out as a radiant month, promising ample sunshine and encouraging outdoor adventures.

Percentage of Sunny Days in May in Julian

The chart illustrates the percentage of sunny days in Julian throughout the year, with May highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Julian experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec59%66%62%69%81%72%58%84%85%68%74%46%
Data source: Julian May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Julian in May

As spring transitions into summer, May in Julian, United States enjoys a delightful 13 hours of daylight, maintaining the same sunlight duration as April. This period marks the peak of longer days, capturing the essence of the blooming season. Following May, the hours of daylight will continue to increase slightly into June, reaching a peak of 14 hours, before gradually tapering off through the late summer and fall months. The transition from longer days to shorter ones illustrates a rhythm of nature, providing an ideal backdrop for outdoor activities and appreciation of the lush landscapes characteristic of this time of year.

Average Daylight Hours in Julian for May

The chart illustrates the variation in daylight duration in Julian throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 14m11h12h13h 1m13h 52m14h 17m14h 3m13h 18m12h 19m11h 18m10h 25m9h 59m
Data source: Julian daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Julian

In May, Julian experiences a gentle breeze with an average wind speed of 2.6 m/s (6 mph), maintaining the same refreshing atmosphere seen in April. This slight dip from the spring peak reflects a trend where wind speeds fluctuate modestly as the season transitions to summer. While January through April showcase a gradual increase towards May's peak, the summer months begin to usher in a softer flow, with June's winds tapering to 2.2 m/s (5 mph). Overall, May serves as a delightful midpoint in Julian's annual wind cycle, where the breezes are still lively enough to enjoy outdoor activities, yet hint at the calmer, warmer days to come.

Average May Wind Speed in Julian

The chart displays monthly wind speed patterns in Julian, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.12.12.62.82.6 m/s2.21.71.92.02.11.82.0
Data source: Julian May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Julian Compares to Other Months

The weather in Julian 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 Julian and find detailed weather information for every month.

The weather in May is characterized by a much warmer climate, with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 36°C (97°F) and an average of 18°C (64°F). In contrast, January presents a cooler atmosphere, with temperatures dipping as low as -3°C (27°F) and peaking at 25°C (78°F), averaging around 10°C (51°F). May experiences minimal precipitation at just 11 mm (0.4 in) over 2 days, while January sees significantly more moisture, with 45 mm (1.8 in) falling over 5 days. Additionally, the humidity is lower in May at 46%, compared to a much higher 72% in January. For more detailed insights into January weather conditions, you can check this link: Julian weather in January.

May and February present contrasting weather conditions. In May, temperatures range from a cool 4°C (39°F) at night to a warm average of 18°C (64°F) during the day, peaking at an impressive 36°C (97°F). The month sees minimal precipitation, with only 11 mm (0.4 in) spread over 2 days and a moderate humidity of 46%. In contrast, February experiences cooler temperatures, with nighttime lows dipping to -3°C (28°F) and an average of 10°C (51°F), reaching a maximum of 26°C (79°F). This month is also much wetter, with 53 mm (2.1 in) of rainfall over 6 days and a significantly higher humidity level of 77%. For a closer look at the conditions in February, you can visit Julian weather in February.

When comparing the weather in May and March, it's clear that May brings warmer temperatures with an average of 18°C (64°F) and a maximum reaching up to 36°C (97°F), while March is cooler with an average of 12°C (53°F) and a maximum of 29°C (84°F). Additionally, May experiences significantly less precipitation, with only 11 mm (0.4 in) over just 2 days, compared to March's 37 mm (1.5 in) spread over 7 days. Humidity levels also differ, as May enjoys a drier atmosphere at 46%, while March tends to be more humid at 67%. For more details on March weather, you can check Julian weather in March.

In comparing the weather patterns of April and May, we see a noticeable increase in temperature as May experiences a minimum of 4°C (39°F) and an average of 18°C (64°F), while April has a slightly lower minimum of 3°C (38°F) and an average of 16°C (60°F). The maximum temperatures also rise in May, reaching up to 36°C (97°F), compared to April's peak of 34°C (93°F). Despite May being warmer, it has less precipitation, with only 11 mm (0.4 in) over 2 days, whereas April sees 17 mm (0.7 in) of rain over the same number of days. Additionally, May's humidity is lower at 46%, compared to April's higher humidity level of 56%. For a more detailed look at April weather, check out Julian weather in April.

May and June present notable differences in weather patterns. May experiences a wider temperature range, with minimums dipping to 4°C (39°F) and maximums soaring up to 36°C (97°F), while June offers milder temperatures, with lows of 8°C (46°F) and highs reaching 40°C (105°F). Additionally, June boasts significantly less precipitation, only 2 mm (0.1 in) compared to May's 11 mm (0.4 in), and features no rainy days, contributing to a slightly higher humidity level of 48%. For a more detailed look at the weather in June, you can check this link: Julian weather in June.

In May, temperatures range from a cool 4°C (39°F) to a warm 36°C (97°F), with an average of 18°C (64°F) and minimal precipitation of just 11 mm (0.4 in) over 2 days. The humidity levels are moderate at 46%. In contrast, July experiences a more stable warm climate, with minimum temperatures of 12°C (53°F) and a maximum of 40°C (104°F), averaging 27°C (80°F). Precipitation increases slightly to 18 mm (0.7 in) over 3 days, maintaining the same humidity at 46%. Overall, July is characterized by consistently warmer temperatures, making it a more summery month than May. For more details on the July climate, check out Julian weather in July.

May and August offer contrasting weather experiences. In May, temperatures range from a cool 4°C (39°F) at night to a maximum of 36°C (97°F) during the day, with an average temperature of 18°C (64°F). Precipitation is relatively low at 11 mm (0.4 in) over just 2 days, and humidity sits around 46%. In contrast, August boasts warmer conditions, with minimum temperatures of 14°C (57°F) and maximums reaching up to 41°C (106°F), averaging 27°C (80°F). There is a slight increase in precipitation to 14 mm (0.6 in) spread over 4 days, and humidity is marginally lower at 42%. For a more detailed look at August weather in Julian, visit Julian weather in August.

In May, the weather begins to warm up, offering a range of temperatures from a cool minimum of 4°C (39°F) to a pleasant average of 18°C (64°F), with occasional peaks reaching as high as 36°C (97°F). Precipitation is minimal, typically only around 11 mm (0.4 in) over two days, and humidity levels stand at 46%.

In contrast, September typically enjoys warmer weather, with minimum temperatures of 8°C (46°F) and an average of 24°C (75°F), while extreme highs can soar to 43°C (109°F). There is a slight increase in precipitation to 12 mm (0.5 in) on two days, and humidity rises to 52%. Overall, September presents a warmer and slightly more humid climate compared to May. For more details on the weather in Julian during September, visit Julian weather in September.

May and October exhibit similar temperature ranges, with average highs around 36°C (97°F) in May and 36°C (98°F) in October, although October has a slightly lower average temperature of 19°C (66°F) compared to May's 18°C (64°F). Both months experience minimal precipitation, with May receiving 11 mm (0.4 in) over 2 days and October slightly less at 10 mm (0.4 in) over just 1 day. However, October's humidity is notably higher at 58%, compared to May's 46%, creating a distinct atmospheric feel as autumn sets in. For more information on weather conditions in October, you can visit Julian weather in October.

May typically features warmer temperatures with a minimum of 4°C (39°F) and an average of 18°C (64°F), peaking at 36°C (97°F). In contrast, November experiences cooler conditions, with temperatures ranging from a minimum of 2°C (35°F) to an average of 15°C (59°F) and a maximum of 31°C (87°F). Precipitation is slightly higher in November, with 20 mm (0.8 in) over 2 days, compared to May's 11 mm (0.4 in). Additionally, humidity levels rise in November to 66%, whereas May's humidity is lower at 46%. For more detailed weather information, you can visit Julian weather in November.

May and December present striking contrasts in weather conditions. In May, temperatures range from a pleasant 4°C (39°F) at their minimum to a scorching 36°C (97°F) at their maximum, with an average of 18°C (64°F). This month experiences minimal precipitation, averaging just 11 mm (0.4 in) over about 2 days, and maintains a relatively low humidity of 46%. Conversely, December is characterized by much cooler temperatures, with a minimum of -3°C (27°F) and a maximum of 26°C (79°F), averaging around 10°C (51°F). Precipitation in December is notably higher, totaling 47 mm (1.9 in) over approximately 5 days, accompanied by increased humidity at 74%. For more detailed insights, you can visit Julian weather in December.

Compare Julian's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Julian

As May unfolds in Julian, it brings a delightful transition from the cooler spring months to the warmth of summer. The weather is characterized by pleasantly mild temperatures, making outdoor activities enjoyable. Unlike the frigid nights often experienced earlier in the year, the average lows are more temperate, while the daytime peaks introduce a sense of warmth without overwhelming humidity, which hovers around a comfortable 46%. Additionally, the minimal 11 mm of precipitation over just a couple of days means that sunshine remains a prominent feature, allowing residents and visitors to revel in the beauty of the season. For a more comprehensive look at how the climate in Julian evolves throughout the year, visit Julian Climate.