United States
California Ontario Mission
Ontario, California, United States
- Location
- Ontario, California, United States
- Country
- United States
- Region
- Northern America
- Local time
- America/Los Angeles
- Coordinates
- 34.1° N, 117.7° W
- Elevation
- 307 m (1,007 ft)
- Population of Ontario
- 171,214
- Climate
- Hot-summer Mediterranean (Köppen Csa)
- Currency
- United States dollar (USD $)
- Languages in the United States
- English, Spanish
Where is the California Ontario Mission?
The California Ontario Mission is based in Ontario, in California, United States. Ontario lies about 3,640 km (2,260 miles) west of Washington, D.C., at 34.1° N, 117.7° W and about 307 m (1,007 ft) above sea level.
Ontario has a recorded population of about 171,000. It is one of 133 missions based in the United States.
Missionaries assigned here serve across areas set by the mission, which can reach well beyond Ontario itself, and they are transferred between those areas during a mission.
Where this information comes from
Local time in Ontario
Missionary Tracker shows this clock and today’s weather next to your missionary, so nobody has to work out whether it is a reasonable hour to write.
Climate and seasons in Ontario
Ontario has a hot-summer mediterranean climate (Köppen Csa). Hot, dry summers and mild winters that carry almost all of the year's rain. The warmest month is August, averaging a daily high of 34 °C (93 °F); the coolest is December, averaging a daily low of 5 °C (41 °F). Around 373 mm (14.7 in) of precipitation falls in an average year, most of it in February and least in June.
Winter
December – February
- Average high
- 19 °C (66 °F)
- Average low
- 5 °C (41 °F)
- Rainfall
- 205 mm (8.1 in)
Spring
March – May
- Average high
- 24 °C (75 °F)
- Average low
- 9 °C (48 °F)
- Rainfall
- 103 mm (4.1 in)
Summer
June – August
- Average high
- 32 °C (90 °F)
- Average low
- 15 °C (59 °F)
- Rainfall
- 6 mm (0.2 in)
Autumn
September – November
- Average high
- 27 °C (81 °F)
- Average low
- 11 °C (52 °F)
- Rainfall
- 59 mm (2.3 in)
This describes the weather, not what to pack. Your Missionary Portal and the mission’s own “what to bring” instructions decide your clothing and equipment, and they take priority over anything here.
Languages
Languages most widely used in the United States are English and Spanish.
- English
- Spanish
This describes the country, not the assignment. The language a missionary is called to speak is set by the Church and stated in the call itself — it can differ from the languages above, and missionaries in one mission are not always assigned the same one.
Preparing to serve in the California Ontario Mission
Start with the instructions in your Missionary Portal and the mission’s own letter — those are the only sources that speak for the California Ontario Mission. These guides cover the practical side nobody sends you: the paperwork, the shopping, the packing and the last weeks at home.
What to Do After Receiving Your Mission Call
The call answers where and when. This is the order to do everything that follows, starting with the parts that have deadlines.
Read the guideLDS Mission Preparation Checklist: Everything to Do Before You Leave
The whole runway in one place — from the year before you submit a recommendation to the morning you leave for the MTC.
Read the guideLDS Missionary Packing List
Everything worth packing, in the order you should buy it, and the things most missionaries wish they had left at home.
Read the guideWhat to Bring to the MTC
The quick answer first, then the detail: what you actually need on arrival day and what can stay in the suitcase.
Read the guideVisa and travel arrangements are handled through your Missionary Portal and the Church’s travel office. Follow their instructions rather than any third-party summary, including this one.
Mission tools
Both tools are free, run entirely in your browser, and open with the California Ontario Mission already selected.
Know your mission dates?
Enter the start and expected return dates for days served, days remaining and the halfway point — then download a shareable countdown card.
Create a CountdownPrintable countdown map
Turn the mission length into a free printable countdown map of California, with one numbered square for each mission day to colour in.
Create a Countdown MapCalled to the California Ontario Mission?
Set up your mission before you leave. Add the California Ontario Mission and your dates to Missionary Tracker so your family has one private place to follow your countdown, current serving area and updates once your mission begins.
Free on iPhone and Android. Profiles are shared by join code, not published anywhere.
Create Mission CountdownExplore all 133 LDS missions in United States
Mission boundaries, assignments and instructions change; always use current information from the Church and your Missionary Portal.