March is one of the cooler months of the year in Chula Vista, with average highs near 19.2°C and lows around 9.4°C (mean 14.3°C). It is a relatively wet time of year, averaging 47 mm of rainfall and 69% relative humidity across the period.
March is one of the cooler months of the year in Chula Vista. Across 45 years of records, the warmest March in Chula Vista was 2015 — when the month averaged 18°C — while the coldest were 2006 and 2023 at 11.6°C. Typical March days reach 19.2°C with nights near 9.4°C. The long-term March temperature trend is broadly flat.
March is a relatively wet time of year in Chula Vista, averaging 47 mm of rainfall. The wettest March on record was 1983 with 178 mm, while the driest was 1997 at 0 mm.
Relative humidity in Chula Vista during March averages 69%. The most humid March was 1983 at 81%, and the least humid was 1997 at 56%.
March receives about 5.1 kWh/m²/day of solar energy in Chula Vista. The sunniest March was 2008 at 5.8 kWh/m²/day, and the cloudiest was 2004 at 4.4.
Average wind speed in Chula Vista during March is 2.5 m/s. The windiest March was 1991 at 3.5 m/s, while the calmest were 2004, 2013 and 2015 at 1.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 14.3°C | 14.1°C | 14.4°C | 14.9°C | 13.5°C | -0.8°C |
| Avg High | 19.3°C | 18.8°C | 19.6°C | 20.0°C | 17.9°C | -1.4°C |
| Avg Low | 9.2°C | 9.4°C | 9.3°C | 9.8°C | 9.0°C | -0.2°C |
| Avg Rain | 59 mm | 62 mm | 21 mm | 30 mm | 77 mm | +17 mm |
March temperatures in Chula Vista have stayed relatively stable across the record.
March has ranged from a record low of 2.9°C (1989) to a record high of 31.5°C (1988).
Rainfall in March is a relatively wet time of year, averaging 47 mm, with a wettest year of 178 mm.
A quieter season to visit Chula Vista
If your dates are flexible, the more temperate months of July and September tend to be the most comfortable for visiting Chula Vista. That said, March — with days averaging 19.2°C and nights around 9.4°C (mean 14.3°C) and moderate rainfall (47 mm) — can still be rewarding for travellers who don't mind the cooler conditions, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 18.2°C | 13.7°C | 9.2°C | 29.6°C | 5.8°C | 77 mm | 74% | 3 m/s | 5.1 |
| 2024 | 17.2°C | 13.5°C | 9.7°C | 21.6°C | 7.2°C | 72 mm | 79% | 2.7 m/s | 5.4 |
| 2023 | 15.6°C | 11.6°C | 7.5°C | 21.2°C | 3.3°C | 120 mm | 79% | 2.8 m/s | 4.9 |
| 2022 | 21.0°C | 15.7°C | 10.4°C | 27.5°C | 6.2°C | 43 mm | 63% | 2.4 m/s | 5.7 |
| 2021 | 18.1°C | 13.0°C | 7.9°C | 27.5°C | 4.3°C | 46 mm | 69% | 2.7 m/s | 5.7 |
| 2020 | 17.1°C | 13.2°C | 9.4°C | 24.4°C | 6.7°C | 102 mm | 77% | 2.6 m/s | 5 |
| 2019 | 17.8°C | 13.6°C | 9.4°C | 25.0°C | 5.8°C | 35 mm | 76% | 2.4 m/s | 5.2 |
| 2018 | 19.4°C | 14.6°C | 9.8°C | 27.2°C | 5.8°C | 36 mm | 67% | 2.2 m/s | 5.1 |
| 2017 | 21.4°C | 16.2°C | 10.9°C | 28.5°C | 5.6°C | 5 mm | 66% | 2.2 m/s | 5.4 |
| 2016 | 20.8°C | 15.6°C | 10.3°C | 27.6°C | 6.1°C | 24 mm | 68% | 2.4 m/s | 5.3 |
| 2015 🔥 | 23.8°C | 18.0°C | 12.2°C | 29.3°C | 7.4°C | 30 mm | 59% | 1.9 m/s | 5.7 |
| 2014 | 21.1°C | 15.8°C | 10.5°C | 28.5°C | 8.2°C | 19 mm | 67% | 2.4 m/s | 5.3 |
| 2013 | 20.7°C | 15.3°C | 9.8°C | 27.7°C | 6.0°C | 28 mm | 66% | 1.9 m/s | 4.9 |
| 2012 | 18.1°C | 13.0°C | 7.8°C | 26.8°C | 4.5°C | 50 mm | 69% | 2.7 m/s | 5 |
| 2011 | 18.5°C | 13.7°C | 8.9°C | 28.9°C | 4.8°C | 44 mm | 72% | 2.3 m/s | 5.1 |
| 2010 | 18.6°C | 13.6°C | 8.7°C | 25.1°C | 5.6°C | 24 mm | 67% | 2.5 m/s | 5.4 |
| 2009 | 19.1°C | 13.9°C | 8.7°C | 27.4°C | 5.3°C | 8 mm | 67% | 2.2 m/s | 5.3 |
| 2008 | 20.3°C | 14.7°C | 9.0°C | 27.1°C | 5.8°C | 3 mm | 61% | 2.2 m/s | 5.8 |
| 2007 | 21.2°C | 15.3°C | 9.4°C | 29.4°C | 4.6°C | 7 mm | 58% | 2.2 m/s | 5 |
| 2006 ❄️ | 15.8°C | 11.6°C | 7.4°C | 24.0°C | 4.6°C | 51 mm | 73% | 2.8 m/s | 5.2 |
| 2005 | 18.7°C | 14.3°C | 10.0°C | 25.5°C | 7.1°C | 31 mm | 74% | 2.6 m/s | 4.9 |
| 2004 | 23.3°C | 17.4°C | 11.6°C | 30.1°C | 7.2°C | 13 mm | 64% | 1.9 m/s | 4.4 |
| 2003 | 20.0°C | 14.9°C | 9.8°C | 25.8°C | 6.2°C | 36 mm | 66% | 2.5 m/s | 5.5 |
| 2002 | 19.2°C | 13.9°C | 8.7°C | 25.9°C | 6.3°C | 15 mm | 62% | 2.7 m/s | 5.3 |
| 2001 | 18.9°C | 14.1°C | 9.2°C | 27.3°C | 6.6°C | 20 mm | 74% | 2.2 m/s | 4.5 |
| 2000 | 19.0°C | 13.9°C | 8.9°C | 25.7°C | 5.4°C | 25 mm | 68% | 2.3 m/s | 5.1 |
| 1999 | 16.5°C | 12.1°C | 7.7°C | 24.0°C | 4.6°C | 25 mm | 75% | 2.7 m/s | 4.9 |
| 1998 | 17.6°C | 13.4°C | 9.2°C | 24.6°C | 5.7°C | 74 mm | 75% | 2.8 m/s | 5 |
| 1997 | 22.6°C | 16.6°C | 10.6°C | 30.8°C | 4.3°C | 0 mm | 56% | 2.2 m/s | 5.2 |
| 1996 | 19.9°C | 14.7°C | 9.5°C | 28.5°C | 7.0°C | 43 mm | 67% | 2.4 m/s | 5.1 |
| 1995 | 19.2°C | 14.5°C | 9.9°C | 24.0°C | 5.0°C | 105 mm | 72% | 2.6 m/s | 5.1 |
| 1994 | 20.2°C | 15.1°C | 10.1°C | 25.8°C | 6.5°C | 55 mm | 67% | 2.2 m/s | 4.9 |
| 1993 | 19.9°C | 15.2°C | 10.5°C | 25.3°C | 7.0°C | 25 mm | 72% | 2.2 m/s | 4.8 |
| 1992 | 17.3°C | 13.6°C | 9.8°C | 22.3°C | 8.4°C | 126 mm | 80% | 2.5 m/s | 4.6 |
| 1991 | 16.1°C | 11.7°C | 7.4°C | 23.3°C | 3.8°C | 154 mm | 73% | 3.5 m/s | 5.3 |
| 1990 | 18.9°C | 14.1°C | 9.4°C | 26.0°C | 4.2°C | 19 mm | 66% | 2.4 m/s | 4.7 |
| 1989 | 20.9°C | 15.3°C | 9.6°C | 27.8°C | 2.9°C | 27 mm | 63% | 2.4 m/s | 5.1 |
| 1988 | 21.7°C | 15.5°C | 9.2°C | 31.5°C | 5.2°C | 12 mm | 56% | 2.5 m/s | 5.4 |
| 1987 | 18.8°C | 13.6°C | 8.4°C | 26.6°C | 5.4°C | 38 mm | 67% | 2.9 m/s | 5.2 |
| 1986 | 20.7°C | 15.7°C | 10.7°C | 29.0°C | 6.6°C | 78 mm | 68% | 2.4 m/s | 4.5 |
| 1985 | 17.7°C | 12.5°C | 7.4°C | 25.4°C | 3.6°C | 23 mm | 68% | 2.6 m/s | 5.2 |
| 1984 | 21.4°C | 15.8°C | 10.1°C | 26.9°C | 6.7°C | 3 mm | 58% | 2.5 m/s | 5.1 |
| 1983 🌧️ | 16.7°C | 13.2°C | 9.7°C | 24.5°C | 7.3°C | 178 mm | 81% | 3.3 m/s | — |
| 1982 | 17.4°C | 13.2°C | 8.9°C | 22.8°C | 6.2°C | 109 mm | 69% | 2.8 m/s | — |
| 1981 | 18.2°C | 13.6°C | 9.0°C | 23.9°C | 6.5°C | 69 mm | 70% | 2.7 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 19.2°C with lows near 9.4°C (mean 14.3°C), based on 45 years of NASA POWER data.
March averages 47 mm of rainfall in Chula Vista, a relatively wet time of year. The wettest on record was 178 mm in 1983.
The hottest March reached 31.5°C in 1988. The coldest dipped to 2.9°C in 1989.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have fallen by about 0.2°C. Daytime highs moved from 18.3°C to 18°C and overnight lows from 9°C to 8.9°C over the same span.
March is one of the cooler months of the year in Chula Vista and a relatively wet time of year, so plan for around 19.2°C daytime highs and 9.4°C at night.
Not quite — March is the 4th coolest month in Chula Vista, averaging 14.3°C.
For March in Chula Vista, pack light layers you can adjust through the day, with typical highs of 19.2°C and lows of 9.4°C.
Relative humidity in March averages 69% — moderately humid.
Average wind speed in March is 2.5 m/s. The windiest March on record averaged 3.5 m/s (1991).
The wettest March on record was 1983 with 178 mm. On average, March sees 47 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Chula Vista behaves each March, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for March specifically, along with year-by-year records and how the month has changed over the decades.
