Climate and Weather Charts
Shannon Airport (SNN)
(Shannon, Ireland)
Shannon features a temperate climate and centred around the wide River Shannon. A large expanse of water, the River Shannon lies alongside the airport and influences the area's weather and humidity levels.
The overall climate is mild throughout much of the year, with warm springs averaging around 15°C / 59°F. Temperatures in Shannon rise further as summer approaches, peaking at more than 20°C / 68°F during June, July, August and September. Autumn is also a fairly pleasant time to visit Shannon, although there is a greater likelihood of rain at this time of the year.
The winter weather and climate in the Shannon region is noticeably colder, wetter and more foggy, between December and February. That said, nights generally remain above freezing and average daytime temperatures during Shannon's winter months hover around 7°C / 45°F, rising higher on sunny, dry days. The average annual daytime temperatures in Shannon are around 12°C / 54°F.
Climate Description: Temperate climate
Shannon Airport (SNN) Location: Northern Hemisphere, Ireland
Annual High / Low Daytime Temperatures at Shannon: 19°C / 6°C (66°F / 43°F)
Average Daily January Temperature: 6°C / 43°F
Average Daily June Temperature: 17°C / 63°F
Annual Rainfall / Precipication Shannon at Airport (SNN): 975 mm / 38 inches
Shannon Airport (SNN):
Climate and Weather Charts
Temperature Chart |
| Temperatures |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Average |
Maximum
Celcius (°C) |
6 |
7 |
9 |
13 |
15 |
17 |
18 |
19 |
16 |
12 |
9 |
6 |
12 |
Minimum
Celcius (°C) |
3 |
3 |
4 |
4 |
6 |
10 |
11 |
11 |
10 |
8 |
5 |
3 |
7 |
Maximum
Fahrenheit (°F) |
43 |
45 |
48 |
55 |
59 |
63 |
64 |
66 |
61 |
54 |
48 |
43 |
54 |
Minimum
Fahrenheit (°F) |
37 |
37 |
39 |
39 |
43 |
50 |
52 |
52 |
50 |
46 |
41 |
37 |
44 |
Rainfall / Precipitation Chart |
| Rainfall |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Total |
| Rainfall (mm) |
99 |
74 |
69 |
58 |
61 |
66 |
74 |
89 |
84 |
97 |
97 |
107 |
975 |
| Rainfall (inches) |
3.9 |
2.9 |
2.7 |
2.3 |
2.4 |
2.6 |
2.9 |
3.5 |
3.3 |
3.8 |
3.8 |
4.2 |
38 |
Seasonal Chart |
| Seasons |
Average
Temp
(Max °C) |
Average
Temp
(Min °C) |
Average
Temp
(Max °F) |
Average
Temp
(Min °F) |
Total
Rainfall
(mm) |
Total
Rainfall
(inches) |
| Mar to May (Spring) |
12 |
5 |
54 |
40 |
188 |
7 |
| Jun to Aug (Summer) |
18 |
11 |
64 |
51 |
229 |
9 |
| Sept to Nov (Autumn / Fall) |
12 |
8 |
54 |
46 |
278 |
11 |
| Dec to Feb (Winter) |
6 |
3 |
44 |
37 |
280 |
11 |
