Home / Halifax / 9 December 2017
Halifax
United States · 9 December 2017
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Average
2.2°C
low 1.3°C · high 3.2°C
Rainfall
16mm
rain recorded
Wind
3.6m/s
daily average
Humidity
80.3%
daily average
Cloud
100%
cover
Pressure
1011hPa
daily average
The temperature ranged from 1.3°C around 12:00 to 3.2°C around 21:00. Rain was recorded across 17 hours, from around 06:00 to 23:00 (16mm total).
How unusual was this day?
Compared against the same 135 calendar days (±7 days) across the other 9 years on file.
High temperature
29th percentile
Low temperature
61th percentile
Rainfall
93th percentile
Wind
16th percentile
A percentile of 100 means this was the hottest/wettest/windiest of the comparable days on file; 50 is right in the middle. This window's average temperature was 3.3°C, versus 2.2°C on this specific day.
Sun & daylight
Sunrise
06:59
Sunset
16:11
Day length
9h 12m
Hour by hour
Temperature (line) and hourly rainfall (bars), local time — America/New_York.
Cumulative rainfall through the day.
| Local time | UTC | Temp | Feels | Rain mm | Wind m/s | Dir | Humidity % | Pressure hPa |
|---|---|---|---|---|---|---|---|---|
| 00:00 | 05:00 | 2.6°C | -0.9°C | 0 | 1.5 | WSW | 63 | 1015 |
| 01:00 | 06:00 | 2.6°C | -0.5°C | 0.02 | 0.9 | SW | 63 | 1014 |
| 02:00 | 07:00 | 2.4°C | -1.3°C | 0 | 1.7 | WSW | 65 | 1015 |
| 03:00 | 08:00 | 2.2°C | -1.2°C | 0.01 | 1.4 | SSW | 67 | 1015 |
| 04:00 | 09:00 | 1.9°C | -1.5°C | 0.04 | 1.4 | WSW | 70 | 1015 |
| 05:00 | 10:00 | 2.2°C | -0.9°C | 0.08 | 0.9 | W | 66 | 1015 |
| 06:00 | 11:00 | 2.1°C | -0.6°C | 0.12 | 0.5 | W | 69 | 1015 |
| 07:00 | 12:00 | 2°C | -1.1°C | 0.11 | 0.8 | NW | 65 | 1015 |
| 08:00 | 13:00 | 2.2°C | -1.3°C | 0.09 | 1.4 | NNW | 62 | 1015 |
| 09:00 | 14:00 | 2.1°C | -1.4°C | 0.23 | 1.5 | N | 68 | 1015 |
| 10:00 | 15:00 | 2°C | -2.1°C | 0.35 | 2.5 | NE | 74 | 1014 |
| 11:00 | 16:00 | 1.6°C | -2°C | 0.82 | 2.2 | NE | 81 | 1013 |
| 12:00 | 17:00 | 1.3°C | -2.6°C | 1.13 | 2.7 | N | 89 | 1013 |
| 13:00 | 18:00 | 1.3°C | -3.6°C | 1.22 | 4.2 | NNE | 92 | 1011 |
| 14:00 | 19:00 | 1.4°C | -3.7°C | 1.58 | 4.6 | NNE | 95 | 1010 |
| 15:00 | 20:00 | 1.6°C | -4°C | 1.27 | 5.4 | NNE | 97 | 1009 |
| 16:00 | 21:00 | 2°C | -3.6°C | 1.11 | 5.4 | NNE | 96 | 1008 |
| 17:00 | 22:00 | 2.4°C | -4°C | 1.15 | 6.6 | NNE | 94 | 1007 |
| 18:00 | 23:00 | 2.6°C | -4°C | 1.3 | 6.9 | NNE | 93 | 1006 |
| 19:00 | 00:00 | 2.8°C | -3.9°C | 1.28 | 7.2 | NNE | 93 | 1005 |
| 20:00 | 01:00 | 3.1°C | -3.6°C | 1.34 | 7.2 | NNE | 91 | 1003 |
| 21:00 | 02:00 | 3.2°C | -3.3°C | 1.05 | 6.9 | N | 91 | 1003 |
| 22:00 | 03:00 | 3.1°C | -3.3°C | 0.94 | 6.7 | N | 91 | 1003 |
| 23:00 | 04:00 | 3°C | -3.4°C | 0.74 | 6.6 | N | 91 | 1002 |
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Data source & coverage — ERA5 reanalysis, 2016–2025 (10 years)details
- Source
- ERA5 reanalysis, accessed via the Copernicus Climate Change Service (C3S) Climate Data Store
- Data type
- Reanalysis — a physically consistent reconstruction combining a forecast model with historical observations, not a live station reading or a forecast
- Coverage
- 2016–2025 (10 years) for United States
- Location
- Halifax — 42.000°, -70.750°, ERA5 grid cell center, 9.3 km from requested point
- Time zone
- America/New_York
- What's shown here
- The hourly and daily record for 9 December 2017 specifically — not a monthly average. See the Halifax climate overview for typical conditions.
- Spatial resolution
- 0.25° (~25 km) distributed grid — ERA5's native model resolution is finer; this is the publicly distributed regridded product
- Version / refreshed
- Methodology v2026.07 · data last refreshed December 31, 2025
- Limitations
- A model reconstruction, not a station observation — hyper-local extremes (a single storm cell, an urban heat pocket) can differ from a nearby gauge. See the full methodology.
- Attribution
- Generated using Copernicus Climate Change Service information
Cite this data
PastClimate (2026-07-20). Historical climate data for Halifax, United States (42.00°N, 70.75°W), derived from ERA5 (Hersbach et al., 2023, Copernicus Climate Change Service). Retrieved from https://www.pastclimate.com/
PastClimate. (2026). Historical climate data for Halifax, United States [Data set]. Derived from ERA5 (Copernicus Climate Change Service). Retrieved July 20, 2026, from https://www.pastclimate.com/
"Historical Climate Data for Halifax, United States." PastClimate, derived from ERA5 (Copernicus Climate Change Service), July 20, 2026, www.pastclimate.com.
@misc{pastclimate,
author = {PastClimate},
title = {Historical climate data for Halifax, United States},
year = {2026},
note = {Derived from ERA5 (Hersbach et al., 2023), Copernicus Climate Change Service. Accessed 2026-07-20},
url = {https://www.pastclimate.com/}
}Notice something wrong with this data? Report a data issue.