Tracy weather in March

In March, Tracy sees average daytime highs of 65°F and overnight lows near 46°F, with 2.6 in of rain across 8.9 wet days and about 11.7 hours of daylight. It is the 8th-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 62°F in the first days to 67°F by the end. The sky is clear or mostly clear about 37% of the time in March, and the air most often feels dry.

Daylight stretches from about 11 h 06 min at the start of March to 12 h 18 min by month's end. Set against the rest of the year, March is Tracy's 9th-clearest and 5th-windiest month. For the whole year in context, see Tracy's year-round climate.

Daytime high
65°
8th warmest
Overnight low
46°
5th coldest
Rainfall
2.6 in
8.9 wet days
Daylight
11 h 42 min
6:24 AM – 6:06 PM
Cloud cover
53%
9th clearest
Wind
5 mph
5th windiest
Solar energy
4.78 kWh/m²
Travel score
6.2
out of 10

Tracy is city in San Joaquin County, California, United States.

Density
1,509/km²
people per km²
Founded
1910

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 62°F in the first days to 67°F by the end.

A typical March day in Tracy reaches about 65°F in the afternoon and slips back to 46°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 56°F and 74°F. Set against its neighbours, March runs about 5°F warmer than February and about 5°F cooler than April.

30°40°50°60°70°80°151015202531
Avg high (°F)Avg low (°F)
16244
26244
36244
46344
56344
66345
76445
86445
96445
106445
116445
126546
136546
146546
156546
166546
176546
186546
196646
206646
216646
226646
236646
246646
256646
266646
276646
286746
296746
306746
316746

Tracy weather by month

How March compares with the rest of the year at a glance. March is the 8th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan57° / 41°3.39.19.74.2
Feb60° / 43°3.28.710.55.0
Mar65° / 46°2.68.911.76.2
Apr70° / 48°1.3512.97.5
May77° / 53°0.73.1148.4
Jun84° / 57°0.10.814.67.5
Jul88° / 60°0.00.214.36.2
Aug87° / 60°0.10.213.56.5
Sep83° / 57°0.10.612.37.8
Oct75° / 52°0.82.7118.6
Nov64° / 46°1.55.5106.5
Dec57° / 41°3.08.39.44.2

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 13% of March, with mostly cloudy or overcast conditions the remaining 50%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
25149
35149
45149
55149
65149
75149
85149
95149
105149
115149
125149
135050
144951
154852
164753
174753
184753
194852
204852
214852
224852
234951
245050
255149
265248
275248
285446
295446
305446
315545

Chance of precipitation in March

Any precipitation

Tracy gets around 2.6 in of rain over 8.9 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 28% and peaks near 32% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
132
231
331
430
530
629
729
828
928
1027
1127
1227
1327
1427
1527
1627
1728
1828
1928
2029
2128
2228
2328
2427
2527
2626
2726
2825
2924
3024
3123

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

Most of March feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, March lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in March

Winds average 5 mph in March.

Across March, daily wind ranges from about 5 mph on the calmest days to 5 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 h 06 min at the start of March to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 72 minutes over March. Sunrise moves from 6:46 AM to 6:01 AM, and sunset from 5:52 PM to 6:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.16:465:52
211.16:455:53
311.26:445:54
411.26:425:55
511.26:415:56
611.36:395:57
711.36:385:58
811.46:365:59
911.46:356:00
1011.56:336:01
1111.56:326:01
1211.56:306:02
1311.66:296:03
1411.66:276:04
1511.76:266:05
1611.76:246:06
1711.76:236:07
1811.86:216:08
1911.86:206:09
2011.96:186:10
2111.96:176:11
2211.96:156:12
2312.06:146:13
2412.06:126:14
2512.16:106:15
2612.16:096:16
2712.26:076:17
2812.26:066:18
2912.26:046:18
3012.36:036:19
3112.36:016:20

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.78 kWh/m².

For context, solar energy here swings from a low near 2.26 kWh/m² to a high of 8.27 kWh/m² in July across the year — March's 4.78 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.0Bright
24.1Bright
34.1Bright
44.2Bright
54.2Bright
64.3Bright
74.3Bright
84.4Bright
94.4Bright
104.5Bright
114.5Bright
124.6Bright
134.6Bright
144.7Bright
154.7Bright
164.8Bright
174.8Bright
184.9Bright
194.9Bright
205.0Bright
215.0Bright
225.0Bright
235.1Bright
245.2Bright
255.2Bright
265.3Bright
275.3Bright
285.4Bright
295.5Bright
305.5Bright
315.6Bright
Planning a trip in March

Is March a good time to visit Tracy?

Our two travel scores rate March for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.2
Sightseeing
8th-best month of the year
2.3
Beach & pool
8th-best month of the year

March is a reasonable time to visit Tracy for sightseeing.

What to pack for Tracy in March

From March's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In March, Tracy sees daytime highs around 65°F and nights near 46°F. Worth packing: a warm layer, rain gear and sun protection. About 9 days see rain.

a warm layerrain gearsun protection

UV index in Tracy in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tracy peaks around June 22 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 22UV 10Dec 15UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr7High
May8Very high
Jun10Extreme
Jul10Extreme
Aug10Very high
Sep6High
Oct5High
Nov2Moderate
Dec2Moderate

Air quality in Tracy in March

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where March falls, not just the annual average.

Air quality in Tracy is worst in August — around 34 µg/m³ PM2.5 (moderate), about 4.9× the cleanest month (June, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateAug 1832 µg/m³Jun 157 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb13Moderate
Mar13Moderate
Apr10Good
May8Good
Jun7Good
Jul9Good
Aug34Moderate
Sep16Moderate
Oct14Moderate
Nov15Moderate
Dec12Good
Location & terrain

Where is Tracy?

Tracy sits at 37.7°N, 121.4°W, 52 ft above sea level, in United States. The nearest listed city is Lathrop, 9.9 mi away.

Topography around Tracy

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Tracy.

Within 2 miles, the terrain around Tracy has only modest variations in elevation — a maximum elevation change of 118 ft around an average of 52 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,795 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 4,373 ft.

The land around Tracy is covered by artificial surfaces (64%) within 2 miles, grassland (41%) and cropland (31%) within 10 miles, and grassland (40%) and trees (24%) within 50 miles.

2 miles
118 ft
10 miles
1,795 ft
50 miles
4,373 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
March weather nearby: Lathrop 9.9 mi · Manteca 12 mi · Ripon 17 mi · Stockton 17 mi · Livermore 19 mi · Brentwood 20 mi · Oakley 24 mi · Modesto 24 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Tracy (37.7399°, -121.4262°, elevation 52 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).