Marana weather in January

In January, Marana sees average daytime highs of 65°F and overnight lows near 42°F, with 1.1 in of rain across 3.8 wet days and about 10.1 hours of daylight. It is the 11th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 65°F through the month. The sky is clear or mostly clear about 59% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 54 min at the start of January to 10 h 24 min by month's end. Set against the rest of the year, January is Marana's 8th-clearest and 10th-windiest month. For the whole year in context, see Marana's year-round climate.

Daytime high
65°
11th warmest
Overnight low
42°
2nd coldest
Rainfall
1.1 in
3.8 wet days
Daylight
10 h 06 min
7:32 AM – 5:37 PM
Cloud cover
36%
8th clearest
Wind
5 mph
10th windiest
Solar energy
3.64 kWh/m²
Travel score
7.2
out of 10

Marana is town in Pima and Pinal counties in Arizona, United States.

Density
131/km²
people per km²
Founded
1977

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 65°F through the month.

A typical January day in Marana reaches about 65°F in the afternoon and slips back to 42°F overnight — a 23°F spread between the day's warmth and the night's chill. On most days the high lands between 55°F and 74°F. Set against its neighbours, January runs on par with December and about 3°F cooler than February.

30°40°50°60°70°80°151015202531
Avg high (°F)Avg low (°F)
16341
26341
36442
46442
56442
66442
76442
86442
96442
106542
116542
126542
136542
146542
156542
166542
176542
186542
196542
206542
216543
226543
236543
246643
256643
266643
276643
286643
296643
306643
316643

How January really feels in Marana

Once humidity and wind are folded in, January averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

January sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Marana weather by month

How January compares with the rest of the year at a glance. January is the 11th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan65° / 42°1.13.810.17.2
Feb68° / 45°1.1410.87.5
Mar75° / 50°0.7311.88.4
Apr82° / 56°0.31.212.87.9
May91° / 64°0.10.713.64.8
Jun100° / 73°0.2114.11.6
Jul100° / 79°1.26.913.91.2
Aug98° / 78°1.27.113.21.8
Sep95° / 73°1.03.512.23.2
Oct85° / 61°0.52.611.26.6
Nov74° / 50°0.72.510.38.5
Dec64° / 42°1.249.97.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 59% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 13% of January, with mostly cloudy or overcast conditions the remaining 29%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17030
27030
37030
47030
57030
67030
77030
87129
97129
107030
117129
127129
137228
147228
157228
167228
177228
187327
197228
207228
217228
227228
237228
247228
257228
267327
277327
287228
297228
307228
317228

Chance of precipitation in January

Any precipitation

Marana gets around 1.1 in of rain over 3.8 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 12% and peaks near 14% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
114
214
314
414
514
614
714
814
913
1013
1113
1213
1313
1412
1512
1612
1712
1812
1911
2011
2111
2211
2311
2411
2511
2611
2711
2811
2911
3011
3111

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January 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 January

Winds average 5 mph in January.

Across January, 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 January

DaylightNight

Daylight runs from about 9 h 54 min at the start of January to 10 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over January. Sunrise moves from 7:31 AM to 7:26 AM, and sunset from 5:25 PM to 5:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.97:315:25
29.97:315:26
39.97:315:27
49.97:325:27
59.97:325:28
69.97:325:29
710.07:325:29
810.07:325:30
910.07:325:31
1010.07:325:32
1110.07:325:33
1210.07:325:33
1310.07:325:34
1410.17:325:35
1510.17:325:36
1610.17:325:37
1710.17:315:38
1810.17:315:39
1910.17:315:39
2010.27:315:40
2110.27:305:41
2210.27:305:42
2310.27:305:43
2410.27:295:44
2510.37:295:45
2610.37:295:46
2710.37:285:47
2810.37:285:48
2910.47:275:48
3010.47:275:49
3110.47:265:50

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 3.64 kWh/m².

For context, solar energy here swings from a low near 3.32 kWh/m² to a high of 8.4 kWh/m² in June across the year — January's 3.64 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
13.4Moderate
23.4Moderate
33.4Moderate
43.4Moderate
53.4Moderate
63.5Moderate
73.5Moderate
83.5Moderate
93.5Moderate
103.5Moderate
113.5Moderate
123.5Moderate
133.6Moderate
143.6Moderate
153.6Moderate
163.6Moderate
173.7Moderate
183.7Moderate
193.7Moderate
203.8Moderate
213.8Moderate
223.8Moderate
233.8Moderate
243.9Moderate
253.9Moderate
263.9Moderate
274.0Moderate
284.0Bright
294.0Bright
304.1Bright
314.1Bright
Planning a trip in January

Is January a good time to visit Marana?

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

7.2
Sightseeing
5th-best month of the year
2.6
Beach & pool
11th-best month of the year

January is one of the better times to visit Marana for general sightseeing.

What to pack for Marana in January

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

In January, Marana sees daytime highs around 65°F and nights near 42°F. Worth packing: a warm layer. About 4 days see rain.

a warm layer

UV index in Marana in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January 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 Marana peaks around June 23 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 23UV 11Dec 19UV 3
UV index (midday)Level
Jan4Moderate
Feb5Moderate
Mar5High
Apr9Very high
May9Very high
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep10Very high
Oct7High
Nov5Moderate
Dec3Moderate

Air quality in Marana in January

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Marana is worst in June — around 15 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (December, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 1715 µg/m³Dec 219 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb10Good
Mar11Good
Apr12Good
May11Good
Jun15Moderate
Jul12Moderate
Aug11Good
Sep11Good
Oct10Good
Nov10Good
Dec9Good
Location & terrain

Where is Marana?

Marana sits at 32.4°N, 111.2°W, 1,991 ft above sea level, in United States. The nearest listed city is Oro Valley, 16 mi away.

Topography around Marana

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

Within 2 miles, the terrain around Marana has only modest variations in elevation — a maximum elevation change of 79 ft around an average of 1,988 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,500 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 8,579 ft.

The land around Marana is covered by cropland (30%) and shrubs (27%) within 2 miles, shrubs (65%) within 10 miles, and shrubs (77%) within 50 miles.

2 miles
79 ft
10 miles
2,500 ft
50 miles
8,579 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrain
January weather nearby: Oro Valley 16 mi · Casas Adobes 16 mi · Flowing Wells 16 mi · Catalina Foothills 21 mi · Tucson 23 mi · Drexel Heights 24 mi · Eloy 29 mi · Tanque Verde 31 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 Marana (32.4367°, -111.2254°, elevation 1,991 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).