Julian (CA) Monthly Rainfall & Precipitation
This page shows both the average monthly rainfall and the number of rainy days in Julian, California, United States of America. The numbers reflect climate data gathered over a 30-year period, from 1990 to 2020. Let's now guide you through the details for a complete overview.
On average, Julian receives a reasonable amount of rain/snowfall, with an annual precipitation of 534 mm (21 in). Despite this overall moderate level, the city experiences distinct dry season during certain months throughout the year, as illustrated in the precipitation charts below.
Monthly Precipitation Levels
The average number of days each month with precipitation (> 0.2 mm (0.01 in))
Julian can be quite wet during December, receiving approximately 132 mm (5.2 in) of precipitation over 10 rainy days.
In contrast June, experiences much drier conditions, with 0.5 mm (0.02 in) of rainfall, spread across 0 rainy days.
December, the wettest month, has a maximum daytime temperature of 12°C (54°F). The city receives 231 hours of sunshine in this period. During the driest month June you can expect a temperature of 28°C (82°F). For more detailed insights into the city's temperatures, visit our Julian Temperature page.
Annual Rainfall in the United States of America: City Comparison
The map below shows the annual precipitation across the United States of America. You can also select the different months in case you are interested in a specific month.
heavy rainfall
high
moderate
low
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Julian vs World: Rainfall Compared
Julian's average annual precipitation is 534 mm (21 in). Let's compare this to some popular worldwide tourist destinations:
In Barcelona, Spain, the average annual precipitation is 644 mm (25 in), evenly distributed across the year with no extreme wet or dry seasons.
Osaka, Japan, experiences 1507 mm (59 in) of rainfall annually, spread across the year with wetter summers.
In Tokyo, Japan, the average annual precipitation is 1528 mm (60 in), with significant summer rains due to typhoon season.
Kuala Lumpur, Malaysia, receives 2529 mm (100 in) of annual rainfall, characteristic of its equatorial tropical rainforest climate, with consistent rainfall throughout the year and peak months during March and November.
Precipitation amounts are measured using specific gauges installed at weather stations, collecting both rain and snow and any other type of precipitation. Rainfall is measured directly in millimeters, while that from snow and ice is obtained by melting it. Automated systems often incorporate heaters to make this easier.
Information from these stations is transmitted via Wi-Fi, satellite, GPS, or telephone connections to central monitoring networks. This information is immediately updated and integrated into weather models and forecasts.
- "Ginger" was the longest-lasting Atlantic tropical storm, which spun around the open ocean for 28 days in 1971.
- The world's largest snowflake was recorded in the Guinness Book of Records, at 38 cm (15 inches) wide and 20 cm (7.9 inches) thick. The snowflake fell at Fort Keogh, Montana, USA, on 28 January 1887.
- The greatest snowfall recorded was on Mt. Rainier, Washington State, USA—over 31.5 meters (103 feet) fell during the winter of 1972.
For more detailed information about Julian (CA)'s weather, including sunshine hours, humidity levels, and temperature data, visit our Julian (CA) Climate page.
