Home / Sonora / 1 January 2018
Sonora
United States · 1 January 2018
← 31 December 20172 January 2018 →
Average
8.6°C
low 2.1° · high 18.4°
Rainfall
0mm
dry day
Wind
1.2m/s
daily average
Humidity
69.9%
daily average
Cloud
50%
cover
Pressure
1021hPa
daily average
The temperature ranged from 2.1°C around 06:00 to 18.4°C around 14:00. No measurable rain was recorded during the day.
How unusual was this day?
Compared against the same 135 calendar days (±7 days) across the other 9 years on file.
High temperature
100th percentile
Low temperature
39th percentile
Rainfall
50th percentile
Wind
8th 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 7.3°C, versus 8.6°C on this specific day.
Sun & daylight
Sunrise
07:18
Sunset
16:53
Day length
9h 35m
Hour by hour
Temperature (line) and hourly rainfall (bars), local time — America/Los_Angeles.
Cumulative rainfall through the day.
| Local time | UTC | Temp °C | Feels °C | Rain mm | Wind m/s | Dir | Humidity % | Pressure hPa |
|---|---|---|---|---|---|---|---|---|
| 00:00 | 08:00 | 4.7 | 2 | 0 | 1.3 | NE | 76 | 1021 |
| 01:00 | 09:00 | 3.9 | 1.2 | 0 | 1.3 | NE | 81 | 1021 |
| 02:00 | 10:00 | 3.7 | 0.3 | 0 | 2.3 | NE | 83 | 1021 |
| 03:00 | 11:00 | 3.4 | -0.2 | 0 | 2.4 | ENE | 84 | 1021 |
| 04:00 | 12:00 | 2.2 | -1.4 | 0 | 2.3 | ENE | 86 | 1021 |
| 05:00 | 13:00 | 2.2 | -1.1 | 0 | 1.9 | ENE | 86 | 1021 |
| 06:00 | 14:00 | 2.1 | -0.9 | 0 | 1.4 | NE | 86 | 1021 |
| 07:00 | 15:00 | 2.6 | -0.1 | 0 | 1 | NE | 81 | 1022 |
| 08:00 | 16:00 | 3.9 | 1.2 | 0 | 1 | NE | 76 | 1022 |
| 09:00 | 17:00 | 8.3 | 6.1 | 0 | 1.3 | NE | 73 | 1023 |
| 10:00 | 18:00 | 12.7 | 11.3 | 0 | 0.5 | NNW | 62 | 1023 |
| 11:00 | 19:00 | 14.6 | 12.6 | 0 | 0.6 | NW | 45 | 1024 |
| 12:00 | 20:00 | 15.8 | 13.9 | 0 | 0.5 | N | 42 | 1023 |
| 13:00 | 21:00 | 17.3 | 15.4 | 0 | 0.2 | NNW | 35 | 1021 |
| 14:00 | 22:00 | 18.4 | 16.5 | 0 | 0.8 | W | 39 | 1021 |
| 15:00 | 23:00 | 17.7 | 16 | 0 | 1 | WNW | 46 | 1020 |
| 16:00 | 00:00 | 16.5 | 15.3 | 0 | 1.2 | NW | 59 | 1021 |
| 17:00 | 01:00 | 13.9 | 12.1 | 0 | 1.4 | NNW | 60 | 1021 |
| 18:00 | 02:00 | 10.9 | 8.9 | 0 | 1.6 | NNE | 72 | 1021 |
| 19:00 | 03:00 | 7.4 | 5.4 | 0 | 1.2 | NE | 83 | 1021 |
| 20:00 | 04:00 | 6.5 | 4.5 | 0 | 0.8 | ENE | 82 | 1021 |
| 21:00 | 05:00 | 6 | 3.9 | 0 | 0.9 | NE | 82 | 1021 |
| 22:00 | 06:00 | 5.8 | 3.4 | 0 | 1.2 | ENE | 81 | 1021 |
| 23:00 | 07:00 | 5.9 | 3.1 | 0 | 1.7 | ENE | 78 | 1022 |
Nearby cities
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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
- Sonora — 38.000°, -120.500°, ERA5 grid cell center, 10.5 km from requested point
- Time zone
- America/Los_Angeles
- What's shown here
- The hourly and daily record for 1 January 2018 specifically — not a monthly average. See the Sonora 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 (2026-07-17). Historical climate data for Sonora, United States (38.00°N, 120.50°W), derived from ERA5 (Hersbach et al., 2023, Copernicus Climate Change Service). Retrieved from https://www.pastclimate.com/
PastClimate. (2026). Historical climate data for Sonora, United States [Data set]. Derived from ERA5 (Copernicus Climate Change Service). Retrieved July 17, 2026, from https://www.pastclimate.com/
"Historical Climate Data for Sonora, United States." PastClimate, derived from ERA5 (Copernicus Climate Change Service), July 17, 2026, www.pastclimate.com.
@misc{pastclimate,
author = {PastClimate},
title = {Historical climate data for Sonora, United States},
year = {2026},
note = {Derived from ERA5 (Hersbach et al., 2023), Copernicus Climate Change Service. Accessed 2026-07-17},
url = {https://www.pastclimate.com/}
}Notice something wrong with this data? Report a data issue.