Weather in Glendale, California
Fog and sun in daily rhythm. Day 58 of spring. Read this microseason across nine climate regions →
Flowers blooming in late autumn, a sure sign of a bad winter coming.
- Moonrise
- 12:19 PM
- Moonset
- 2:05 AM
- In sign
- ♉︎ Taurus
Fog and sun in daily rhythm
Glendale at a glance
- Today vs. normal: NaN°F below the seasonal normal for this latitude
- Last frost: March 12 (climatological average for this latitude)
- Microseason: 28 of 72, May 16–20
- Planting window: Direct sow okra, melons, and southern peas. Thin carrot rows.
Right now in the garden
Peak growing season
As of May 16, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | lettuce, peas, spinach, radishes | — |
| April | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | — |
| May | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | — | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | — | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | fall brassicas, garlic (overwinter), carrots | — |
| December | — | — |
A year in weather
August brings Glendale's peak warmth (~76°F mean) while December delivers the coldest temperatures (~55°F). February sees the heaviest rainfall at 4.5 inches, contrasting sharply with August's bone-dry 0.0 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 56° | 3.6″ | 5 |
| February | 56° | 4.5″ | 5 |
| March | 59° | 2.8″ | 4 |
| April | 62° | 0.9″ | 2 |
| May | 65° | 0.4″ | 1 |
| June | 69° | 0.1″ | 0 |
| July | 74° | 0.0″ | 0 |
| August | 76° | 0.0″ | 0 |
| September | 74° | 0.1″ | 0 |
| October | 68° | 0.7″ | 1 |
| November | 60° | 0.8″ | 2 |
| December | 55° | 2.5″ | 4 |
Regional context
Glendale belongs to the hot-summer Mediterranean climate region, sharing similar temperature ranges, seasonal patterns, and growing conditions with neighboring cities throughout the area.
Similar climates: Los Angeles, CA, San Francisco, CA, San Diego, CA, Riverside, CA, Sacramento, CA.
Naturalist notes
California poppies begin their golden bloom across Glendale's hillsides during late March and early April.
Allen's hummingbirds return from their winter range in late February, their courtship dives becoming a common sight by March.
Frequently asked
- When does it freeze in Glendale?
- Spring's final frost in Glendale typically occurs around mid-March, while the first fall frost returns around mid-December.
- What is the rainy season in Glendale?
- February stands as the wettest month with about 4.5 inches of rain on average, contributing to the city's roughly 17 inches annually.
- What is the warmest month in Glendale?
- August typically brings the warmest temperatures, averaging about 76°F.
- What is the coldest month in Glendale?
- December typically delivers the coldest weather, averaging about 55°F.
- When can I start a vegetable garden in Glendale?
- Cool-season crops like peas and lettuce can be planted around the last spring frost in mid-March, while warm-season crops such as tomatoes and peppers should wait 1–2 weeks after.
- How many rainy days does Glendale get?
- Glendale experiences about 24 rainy days per year on average.
- What hardiness zone is Glendale?
- Glendale's USDA hardiness zone depends on its lowest average winter temperature; the USDA's online lookup tool using the city ZIP code provides the current zone designation.
Climate
Glendale, California experiences a hot-summer Mediterranean climate zone. January temperatures hover near 56°F while July averages 74°F — creating an 18°F seasonal swing.
Annual precipitation in Glendale totals about 17 inches spread across roughly 24 rainy days.
Weather patterns here respond to the city's latitude (34.2°N), proximity to large water bodies, and elevation. These factors determine what grows locally, when frost threatens, and the daily weather patterns throughout the year.