Anna, Illinois Climate
United States
Pop. 4,321 Elev. 189 m / 620 ft
TZ: America/Chicago (UTC-5) ·
Summers in Anna are warm, with July highs around 88°F (31°C), while winters are cold with January lows of 25°F (-4°C). Humidity pushes the summer feels-like temperature to around 107°F (42°C). Expect around 71 rainy days annually (49.5 in / 1257 mm total), with snow on 4 days and 18 in (469 mm) of annual accumulation. The city averages 142 sunny days per year and around 53 thunderstorm days. Nearby lake water reaches 85°F (29°C) in summer.
| Temperature | 88°F (31°C) high | 25°F (-4°C) low |
| Feels like | 107°F (41°C) high | 25°F (-4°C) low |
| Rain | 71 days | 49.5 in (1257 mm) /yr |
| Snow | 4 days | 18.5 in (469 mm) /yr |
| Sky | 142 sunny | 53 stormy |
| Wind | 2.1 mph (0.9 m/s) avg |
Looking for a place with a climate like Anna? Explore and filter 150,000+ cities worldwide.
Explore on the MapMonthly Climate Chart
Best months to visit: Mar, Aug, Sep, Oct
Sky & Air by Month
Cloud cover (%)
46
Jan 61
Feb 50
Mar 61
Apr 67
May 55
Jun 50
Jul 39
Aug 40
Sep 39
Oct 54
Nov 56
Dec Humidity (%)
62
Jan 70
Feb 52
Mar 65
Apr 72
May 76
Jun 79
Jul 67
Aug 63
Sep 68
Oct 68
Nov 70
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 24 mi Veterans Airport of Southern Illinois (MWA)
Ski resort 107 mi Hidden Valley
National park 29 mi Emmett Till and Mamie Till-Mobley National Monument
Hospital 0 mi Union County Hospital
Hiking trail 9 mi River to River Segment 6 - Giant City to Alto Pass
Interested in Anna?
Hotels
Flights
Real Estate
Insurance
Connectivity
Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 39°F 4°C | 25°F -4°C | 3.5 in 89 mm | 6.2 in157 mm | 16 |
| February | 46°F 8°C | 28°F -2°C | 4.2 in 107 mm | 10.0 in254 mm | 7 |
| March | 66°F 19°C | 44°F 7°C | 2.8 in 71 mm | 0.1 in2 mm | 12 |
| April | 72°F 22°C | 52°F 11°C | 9.0 in 228 mm | — | 7 |
| May | 74°F 23°C | 59°F 15°C | 7.2 in 183 mm | — | 7 |
| June | 85°F 29°C | 70°F 21°C | 6.7 in 170 mm | — | 9 |
| July | 88°F 31°C | 74°F 23°C | 4.6 in 118 mm | — | 13 |
| August | 87°F 30°C | 67°F 19°C | 0.6 in 16 mm | — | 18 |
| September | 85°F 29°C | 61°F 16°C | 2.3 in 59 mm | — | 14 |
| October | 73°F 23°C | 52°F 11°C | 4.5 in 115 mm | — | 17 |
| November | 60°F 15°C | 42°F 6°C | 3.0 in 76 mm | 0.6 in15 mm | 11 |
| December | 48°F 9°C | 33°F 1°C | 1.0 in 25 mm | 1.6 in40 mm | 11 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 16 | 3 |
| February | 7 | 3 |
| March | 12 | 3 |
| April | 7 | 8 |
| May | 7 | 10 |
| June | 9 | 7 |
| July | 13 | 8 |
| August | 18 | 1 |
| September | 14 | 3 |
| October | 17 | 3 |
| November | 11 | 3 |
| December | 11 | 1 |
Water Temperatures Data
↑ See chart| Month | Lake Avg High |
|---|---|
| January | 35°F 1°C |
| February | 35°F 2°C |
| March | 46°F 8°C |
| April | 58°F 15°C |
| May | 66°F 19°C |
| June | 77°F 25°C |
| July | 85°F 29°C |
| August | 80°F 27°C |
| September | 73°F 23°C |
| October | 65°F 18°C |
| November | 50°F 10°C |
| December | 38°F 3°C |