How to plan a monthly social media content calendar for a client
A month is the natural unit of client social media: it is what the retainer covers, what the report describes and what the client signs off. Planning month by month keeps both sides looking at the same thing.
This guide walks through planning one client’s month from a blank page: when to start, what the calendar needs to contain, how to choose the goal and the mix of posts, and how to hand it over for approval. There is a worked example month near the end.
What a monthly content calendar contains
A content calendar is more than a list of dates. For client work, every post needs enough information that the client can judge it and the team can publish it without asking anyone a question.
| Field | Why it matters |
|---|---|
| Date and time | When it publishes — and when its approval is due |
| Network(s) | Decides the limits, the crop and the caption length |
| Pillar or theme | Shows the month is balanced, not ten posts about one thing |
| Format | Image, carousel or video — follows from the media |
| Caption, per network where needed | What people will actually read |
| Media | The final files, not a link to a folder of options |
| Status | Draft, awaiting review, approved, changes requested, rejected |
The month also needs one thing no single post carries: a goal, written at the top where everyone sees it.
When to start planning
Work backwards from the first post of the month. The client needs time to review, you need time to fix what they send back, and both need a buffer.
- 01Four weeks before: agree the month’s goal and key dates with the client
- 02Three weeks before: draft the calendar — dates, networks, pillars, formats — and a brief for any campaign post
- 03Two weeks before: finish captions and media, then send the month for review
- 04One week before: review due; make requested changes and send them back
- 05Three days before: second-round decisions in; the month is locked
If that feels long, it is because it includes the client’s time. Most of the delay in a month plan is waiting for decisions, so the schedule should be built around them.
Start with one goal for the month
Before a single post, write one sentence the month is meant to achieve. Every post should be defensible against it, and the client should see it at the top of the plan.
| Goal | What the month looks like |
|---|---|
| Fill the June workshop | Speaker introductions, a countdown, testimonials from last year, a clear sign-up link where links work |
| Launch the summer menu | Teasers, dish-by-dish carousels, behind-the-scenes video, launch-day post |
| Grow LinkedIn followers among HR leads | Opinion posts from the founder, short data points, client stories, fewer promotional posts |
One goal is not a rule that every post must sell. It is the question you ask when choosing between two ideas: which one serves the month better?
Map the fixed dates
Put the immovable things on the calendar first: launches, events, sales, holidays that matter to the audience, reporting days. The rest of the month fills in around them.
- The client’s own dates: launches, offers, events, store openings
- Seasonal and cultural dates that matter to their audience — not every awareness day
- Dates to avoid: a quiet period, a competitor launch, a sensitive anniversary
Ask the client for their dates when you agree the goal. Finding out about a product launch after the calendar is approved means reopening the month.
Choose three to five content pillars
Pillars are the recurring kinds of post a brand makes: education, behind the scenes, customer stories, product, community. They stop the calendar drifting into ten promotional posts in a row, and they make planning faster because each slot has a job before it has an idea.
| Pillar | Share of the month | Example |
|---|---|---|
| Teach | 30–40% | A how-to carousel, a myth versus fact post |
| Show | 20–30% | Behind the scenes, the team, the process |
| Prove | 15–25% | A customer story, a review, a result |
| Sell | 10–20% | The offer, the launch, the booking link |
The shares are a starting point, not a formula — a launch month leans on selling; a quiet month leans on teaching. What matters is that you can see the balance at a glance.
Set a cadence per network
Look at the month per network, not just in total. Twelve posts is healthy if they are spread across Instagram and LinkedIn; it is lopsided if ten are on one network and the client is paying for three.
A steady rhythm the team can keep beats an ambitious one that falls apart in week three. Three to five posts a week on a primary network is a common starting point for a retained client; secondary networks often get two or three. Adjust to what the retainer covers and what the results show, not to a number from a blog post — including this one.
Balance formats
Single images, carousels and video each do a different job. A single image says one thing fast; a carousel teaches or tells a story in steps; video shows movement, people and process.
- Check each network’s limits before designing — see the post limits by network
- Instagram and TikTok need media on every post; YouTube needs video. Facebook, X and LinkedIn publish text on its own
- Design carousels in the order they will publish, and check every slide against the network’s shape rules, not only the cover
Write captions per network where it matters
A shared caption is fine for many posts, but LinkedIn and X readers want different things, and some networks hide most of the text. Remember where each network truncates: Instagram shows roughly the first 125 characters before “more” and LinkedIn about 210, so the hook has to live there.
- Lead with the point, not the preamble
- Put links only where they are clickable — not in an Instagram or TikTok caption
- Use a few relevant hashtags rather than a wall of them
- Read every caption in its preview, not in a cell
A worked example: one month for a café
Goal: “Launch the summer menu and get people in on weekday mornings.” Networks: Instagram and Facebook. Cadence: four posts a week on Instagram, three on Facebook.
| Week | Theme | Posts |
|---|---|---|
| 1 | Tease the menu | Ingredient close-ups (image), “guess the new dish” (carousel), kitchen prep (video) |
| 2 | Launch | Launch-day announcement, dish-by-dish carousel, staff favourites, opening-hours reminder on Facebook |
| 3 | Weekday mornings | Breakfast offer, a regular’s story, quiet-morning atmosphere video |
| 4 | Proof and wrap-up | Customer photos (with permission), most-ordered dish, a thank-you post, one open reactive slot |
Every post can be tied back to the goal, the pillars are balanced across the month, and there is one slot left open. That is a month a client can review in one sitting.
Send the month for review as one batch
Once the month is drafted, send it to the client in one go with a due date — not post by post. The approval workflow guide covers deadlines, revision rounds and the emails to send. Show each post as it will actually look on its network so the client is approving the real thing.
Close the loop with results
At month end, report on the same posts the client approved: reach, engagement, follower change. It turns the next month’s planning conversation from opinion into evidence — which pillar worked, which format flopped, which day was dead.
The client reporting guide has a one-page template for it. Carry one or two lessons into the next month’s plan, and say so in the plan. Clients approve faster when they can see the calendar learning.
Monthly planning checklist
- 01Agree one goal for the month and write it at the top of the plan
- 02Collect the client’s key dates and dates to avoid
- 03Choose the pillars and roughly how the month splits between them
- 04Set a cadence per network the team can actually keep
- 05Fill the fixed dates first, then the pillars, leaving two or three open slots
- 06Check every post against its network’s limits
- 07Write the hook inside each network’s truncation point
- 08Send the whole month for review with a due date
- 09Report on the month’s results and carry the lessons forward