Monthly climate in Union City, Indiana, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Union City features a humid continental climate (Dfa). Temperatures typically range between -1 °C (30 °F) and 24 °C (76 °F) through the year, but rarely can drop to -25 °C (-12 °F) or can rise to as high as 33 °C (92 °F). The average annual precipitation amounts to about 1199 mm (47.2 inches) and receives 136 rainy days on the 1 mm (0.04 inches) threshold annually. Union City enjoys an average of 2859 hours of sunshine throughout the year, and daylight varies from 9 hours 20 minutes to 14 hours 58 minutes per day.

Monthly average temperatures in Union City, Indiana, United States §

The warmest months in Union City are June, July and August, with daily mean temperatures ranging from 22 to 24 °C (72 - 76 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -1 to 2 °C (30 - 35 °F) throughout the day. On average each year, Union City experiences 92 days above 25 °C (77.0 °F) and 93 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Union City, Indiana, United States. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 18°C
(65°F)
23°C
(74°F)
24°C
(75°F)
29°C
(84°F)
33°C
(91°F)
33°C
(92°F)
33°C
(92°F)
32°C
(90°F)
33°C
(92°F)
33°C
(91°F)
26°C
(78°F)
17°C
(64°F)
Mean maximum 14°C
(58°F)
17°C
(64°F)
21°C
(69°F)
27°C
(80°F)
30°C
(87°F)
32°C
(90°F)
32°C
(90°F)
31°C
(89°F)
32°C
(89°F)
29°C
(84°F)
20°C
(67°F)
16°C
(61°F)
Average high 2°C
(36°F)
4°C
(40°F)
10°C
(51°F)
16°C
(61°F)
22°C
(72°F)
27°C
(80°F)
29°C
(84°F)
27°C
(82°F)
26°C
(78°F)
19°C
(66°F)
9°C
(49°F)
6°C
(43°F)
Daily mean -1°C
(30°F)
0°C
(33°F)
5°C
(42°F)
11°C
(51°F)
17°C
(63°F)
22°C
(72°F)
24°C
(76°F)
23°C
(73°F)
20°C
(69°F)
14°C
(57°F)
5°C
(41°F)
2°C
(35°F)
Average low -5°C
(23°F)
-4°C
(25°F)
1°C
(33°F)
6°C
(42°F)
12°C
(55°F)
17°C
(64°F)
20°C
(68°F)
18°C
(65°F)
15°C
(60°F)
9°C
(49°F)
1°C
(34°F)
-2°C
(28°F)
Mean minimum -18°C
(-1°F)
-16°C
(4°F)
-9°C
(16°F)
-5°C
(24°F)
2°C
(37°F)
11°C
(52°F)
14°C
(57°F)
12°C
(54°F)
8°C
(47°F)
0°C
(33°F)
-8°C
(17°F)
-13°C
(9°F)
Minimum -25°C
(-12°F)
-21°C
(-5°F)
-14°C
(8°F)
-7°C
(19°F)
-1°C
(30°F)
7°C
(45°F)
12°C
(53°F)
11°C
(51°F)
4°C
(40°F)
-2°C
(29°F)
-16°C
(3°F)
-21°C
(-5°F)

Compare climate in Union City with other places

Compare temperature, precipitation, sunshine, UV index in Union City, Indiana, United States with other places around the world.

Monthly average precipitation in Union City, Indiana, United States §

Union City usually has the most precipitation in May, June and July, with an average of 13 rainy days and 125 mm (4.9 inches) of precipitation per month. The driest months in Union City are January, September and December. On average, 76 mm (3.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Union City, Indiana, United States. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 74 (2.9) 96 (3.8) 107 (4.2) 99 (3.9) 138 (5.4) 127 (5.0) 110 (4.3) 107 (4.2) 81 (3.2) 99 (3.9) 88 (3.5) 74 (2.9)
Average precipitation days (≥ 1 mm) 9 12 13 12 15 13 13 12 7 12 8 10

Monthly sunshine hours in Union City, Indiana, United States §

The sunniest months in Union City are June, July and August, when the sun shines an average of 10 hours 50 minutes a day. Least sunny months in Union City: January, February and December receive an average of 4 hours 45 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Union City, Indiana, United States. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 111 160 223 230 276 322 350 324 282 229 186 161
Mean daily daylight hours 9h 40m 10h 40m 11h 58m 13h 18m 14h 25m 14h 58m 14h 40m 13h 40m 12h 24m 11h 5m 9h 55m 9h 20m

Solar UV radiation in Union City, Indiana, United States §

Union City experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 10 - 10, which corresponds to the Very High category of sun exposure. January, November and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 4. For more detailed information, check out our hourly Union City UV Index data.

Average daily maximum UV levels by month for Union City, Indiana, United States. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 3 5 6 9 10 10 10 9 8 6 4 2

Detailed Monthly Weather Insights for Union City, Indiana, United States

Discover in-depth weather details for every month in Union City. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Union City's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.