Home › Compare › Niagara-on-the-Lake vs Belfast
Niagara-on-the-Lake vs Belfast
Comparing Niagara-on-the-Lake change · Belfast change
Niagara-on-the-Lake and Belfast have nearly identical year-round temperatures; Belfast is the wetter, with 300 mm more rain a year, and Niagara-on-the-Lake the sunnier.
How the seasons compare
The differences between Niagara-on-the-Lake and Belfast, in everyday terms.
Summers
Niagara-on-the-Lake has much hotter summers
Niagara-on-the-Lake: Warm
Belfast: Mild
Winters
Belfast has much milder winters
Niagara-on-the-Lake: Cold
Belfast: Chilly
Rain & snow
Belfast is wetter
Niagara-on-the-Lake: Moderate rainfall
Belfast: Moderate rainfall
Sky
Niagara-on-the-Lake is sunnier
Niagara-on-the-Lake: Often cloudy
Belfast: Often grey
Month-by-month charts
Temperature
Niagara-on-the-Lake and Belfast run remarkably close all year.
Precipitation
Belfast is the wetter — about 300 mm more across the year.
Clear skies
Niagara-on-the-Lake has the clearer skies — the higher line.
Exact monthly numbers
Tap a metric to open its full table. Desktop shows all twelve months; on a phone each metric splits into Jan–Jun and Jul–Dec.
Avg high (°C) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Niagara-on-the-Lake | 0 | 1 | 5 | 10 | 17 | 22 | 26 | 26 | 22 | 15 | 9 | 3 |
| Belfast | 8 | 9 | 10 | 13 | 15 | 18 | 19 | 19 | 17 | 14 | 10 | 8 |
| Difference | +8 | +8 | +6 | +2 | -1 | -5 | -7 | -7 | -5 | -2 | +2 | +5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Niagara-on-the-Lake | 0 | 1 | 5 | 10 | 17 | 22 |
| Belfast | 8 | 9 | 10 | 13 | 15 | 18 |
| Difference | +8 | +8 | +6 | +2 | -1 | -5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Niagara-on-the-Lake | 26 | 26 | 22 | 15 | 9 | 3 |
| Belfast | 19 | 19 | 17 | 14 | 10 | 8 |
| Difference | -7 | -7 | -5 | -2 | +2 | +5 |
Avg low (°C) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Niagara-on-the-Lake | -5 | -5 | -2 | 3 | 9 | 15 | 19 | 19 | 15 | 9 | 3 | -2 |
| Belfast | 2 | 2 | 3 | 5 | 7 | 10 | 12 | 12 | 10 | 7 | 5 | 3 |
| Difference | +8 | +7 | +5 | +2 | -1 | -5 | -7 | -7 | -5 | -1 | +2 | +4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Niagara-on-the-Lake | -5 | -5 | -2 | 3 | 9 | 15 |
| Belfast | 2 | 2 | 3 | 5 | 7 | 10 |
| Difference | +8 | +7 | +5 | +2 | -1 | -5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Niagara-on-the-Lake | 19 | 19 | 15 | 9 | 3 | -2 |
| Belfast | 12 | 12 | 10 | 7 | 5 | 3 |
| Difference | -7 | -7 | -5 | -1 | +2 | +4 |
Precipitation (mm) Belfast runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Niagara-on-the-Lake | 47 | 36 | 43 | 74 | 66 | 78 | 62 | 53 | 65 | 61 | 52 | 44 |
| Belfast | 89 | 73 | 73 | 64 | 68 | 74 | 77 | 88 | 75 | 98 | 106 | 95 |
| Difference | +43 | +37 | +30 | -9 | +2 | -3 | +15 | +34 | +10 | +37 | +54 | +51 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Niagara-on-the-Lake | 47 | 36 | 43 | 74 | 66 | 78 |
| Belfast | 89 | 73 | 73 | 64 | 68 | 74 |
| Difference | +43 | +37 | +30 | -9 | +2 | -3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Niagara-on-the-Lake | 62 | 53 | 65 | 61 | 52 | 44 |
| Belfast | 77 | 88 | 75 | 98 | 106 | 95 |
| Difference | +15 | +34 | +10 | +37 | +54 | +51 |
Cloud cover (%) Belfast runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Niagara-on-the-Lake | 78 | 74 | 73 | 73 | 72 | 67 | 63 | 62 | 62 | 72 | 75 | 77 |
| Belfast | 79 | 79 | 78 | 76 | 73 | 77 | 78 | 77 | 76 | 78 | 79 | 78 |
| Difference | +1 | +5 | +6 | +3 | +1 | +10 | +15 | +15 | +14 | +6 | +3 | +1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Niagara-on-the-Lake | 78 | 74 | 73 | 73 | 72 | 67 |
| Belfast | 79 | 79 | 78 | 76 | 73 | 77 |
| Difference | +1 | +5 | +6 | +3 | +1 | +10 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Niagara-on-the-Lake | 63 | 62 | 62 | 72 | 75 | 77 |
| Belfast | 78 | 77 | 76 | 78 | 79 | 78 |
| Difference | +15 | +15 | +14 | +6 | +3 | +1 |
Relative humidity (%) Belfast runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Niagara-on-the-Lake | 86 | 84 | 80 | 78 | 77 | 75 | 73 | 73 | 74 | 78 | 81 | 84 |
| Belfast | 90 | 90 | 89 | 86 | 85 | 85 | 86 | 87 | 88 | 88 | 90 | 91 |
| Difference | +5 | +6 | +8 | +8 | +8 | +10 | +14 | +14 | +13 | +10 | +9 | +7 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Niagara-on-the-Lake | 86 | 84 | 80 | 78 | 77 | 75 |
| Belfast | 90 | 90 | 89 | 86 | 85 | 85 |
| Difference | +5 | +6 | +8 | +8 | +8 | +10 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Niagara-on-the-Lake | 73 | 73 | 74 | 78 | 81 | 84 |
| Belfast | 86 | 87 | 88 | 88 | 90 | 91 |
| Difference | +14 | +14 | +13 | +10 | +9 | +7 |
How both climates are changing
Both cities are warming. Each city has its own warming trend; see its trends page for the year-by-year detail. Niagara-on-the-Lake trends → · Belfast trends →
Methodology & sources
Niagara-on-the-Lake
Temperature & precipitation — 1991–2020 normals computed from 25 years of daily observations at Port Weller (aut), a weather station, about 11 km from the city centre. The underlying daily records come from NOAA's global station network.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.
Belfast
Temperature & precipitation — 1991–2020 normals computed from 29 years of daily observations at Stormont Castle, a weather station, about 6 km from the city centre. The underlying daily records come from NOAA's global station network.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.
← change Niagara-on-the-Lake · change Belfast → · Niagara-on-the-Lake page · Belfast page